Subtract the numbers: 486  382 + 502 + 379  978 = ? Calculate the numbers difference and learn how to do the subtraction, column subtracting method, from right to left
The operation to perform: 486  382 + 502 + 379  978
Add the positive numbers together.
The operation to perform: 486 + 502 + 379
Method used below: column adding, from right to left (traditional).
Stack the numbers on top of each other.
The ones digits line up in the first column from the right.
The tens digits line up in the next column to the left.
And so on...
4
8
6
5
0
2
+
3
7
9
?
Add column by column; start from the column on the right.
Add the digits in the ones column:
6 + 2 + 9 = 17
How did we add the digits? Explanation below.
Group the ones together in order to make tens:
6 + 2 + 9 =
6 + 2 + 9 =
8 + 9 =
8 + 9 =
1 + 7 + 9 =
1 + 7 + 9 =
(1 + 9) + 7 =
10 + 7 =
17
Change the order in which the numbers are added, the sum stays the same. Break some number(s) into component parts, the sum stays the same.
The sum is a twodigit number: 17.
7 is the ones digit. Write it down at the base of the ones column.
1 is the tens digit. Carry it over to the tens column. Write the digit above that column. Add it with the rest of the digits in that column.
1
4
8
6
5
0
2
+
3
7
9
7
Add the digits in the tens column:
8 + 0 + 7 + 1 = 16
How did we add the digits? Explanation below.
Group the ones together in order to make tens:
8 + 0 + 7 + 1 =
8 + 7 + 1 =
8 + 8 =
8 + 8 =
2 + 6 + 8 =
2 + 6 + 8 =
(2 + 8) + 6 =
10 + 6 =
16
The sum is a twodigit number: 16.
6 is the tens digit. Write it down at the base of the tens column.
1 is the hundreds digit. Carry it over to the hundreds column. Write the digit above that column. Add it with the rest of the digits in that column.
1
1
4
8
6
5
0
2
+
3
7
9
6
7
Add the digits in the hundreds column:
4 + 5 + 3 + 1 = 13
How did we add the digits? Explanation below.
Group the ones together in order to make tens:
4 + 5 + 3 + 1 =
4 + 5 + 3 + 1 =
(4 + 5 + 1) + 3 =
10 + 3 =
13
The sum is a twodigit number: 13.
3 is the hundreds digit. Write it down at the base of the hundreds column.
1 is the thousands digit. Write it down at the base, next to the hundreds digit.
1
1
4
8
6
5
0
2
+
3
7
9
1
3
6
7
Answer: 486 + 502 + 379 = 1,367
Add the negative numbers together.
The operation to perform:  382  978
Add the numbers as if they were positive.
But at the end attach a minus sign in front of the result.
Method used below: column adding, from right to left (traditional).
Stack the numbers on top of each other.
The ones digits line up in the first column from the right.
The tens digits line up in the next column to the left.
And so on...
3
8
2
+
9
7
8
?
Add column by column; start from the column on the right.
Add the digits in the ones column:
2 + 8 = 10
The sum is a twodigit number: 10.
0 is the ones digit. Write it down at the base of the ones column.
1 is the tens digit. Carry it over to the tens column. Write the digit above that column. Add it with the rest of the digits in that column.
1
3
8
2
+
9
7
8
0
Add the digits in the tens column:
8 + 7 + 1 = 16
How did we add the digits? Explanation below.
Group the ones together in order to make tens:
8 + 7 + 1 =
8 + 7 + 1 =
8 + 8 =
8 + 8 =
2 + 6 + 8 =
2 + 6 + 8 =
(2 + 8) + 6 =
10 + 6 =
16
Change the order in which the numbers are added, the sum stays the same. Break some number(s) into component parts, the sum stays the same.
The sum is a twodigit number: 16.
6 is the tens digit. Write it down at the base of the tens column.
1 is the hundreds digit. Carry it over to the hundreds column. Write the digit above that column. Add it with the rest of the digits in that column.
1
1
3
8
2
+
9
7
8
6
0
Add the digits in the hundreds column:
3 + 9 + 1 = 13
How did we add the digits? Explanation below.
Group the ones together in order to make tens:
3 + 9 + 1 =
3 + 9 + 1 =
3 + 10 =
10 + 3 =
13
The sum is a twodigit number: 13.
3 is the hundreds digit. Write it down at the base of the hundreds column.
1 is the thousands digit. Write it down at the base, next to the hundreds digit.
1
1
3
8
2
+
9
7
8
1
3
6
0
Addition result:
382 + 978 = 1,360
Answer:  382  978 =  1,360
The initial operation has become:
486  382 + 502 + 379  978 =
1,367  1,360
Now subtract the final numbers above: 1,367  1,360 = ?
Method used below: column subtracting, from right to left (traditional)
Stack the numbers on top of each other.
The ones digits line up in the first column from the right.
The tens digits line up in the next column to the left.
And so on...
1
3
6
7

1
3
6
0
?
Subtract column by column; start from the column on the right
Subtract the digits in the ones column:
7  0 = 7. 7 is the ones digit. Write it down at the base of the ones column.
1
3
6
7

1
3
6
0
7
Subtract the digits in the tens column:
6  6 = 0. 0 is the tens digit. Write it down at the base of the tens column.
1
3
6
7

1
3
6
0
0
7
Subtract the digits in the hundreds column:
3  3 = 0. 0 is the hundreds digit. Write it down at the base of the hundreds column.
1
3
6
7

1
3
6
0
0
0
7
Subtract the digits in the thousands column:
1  1 = 0. 0 is the thousands digit. Write it down at the base of the thousands column.
1
3
6
7

1
3
6
0
0
0
0
7
Leading zeros
When leading zeros occupy the most significant digits of a natural number, they could be left blank and the numeric value stays the same:
0007 = 7
Final answer: 486  382 + 502 + 379  978 = 7
Subtraction Calculator: Subtract Numbers & Learn to Calculate the Difference
1. Stack the numbers on top of each other. 2. Subtract column by column starting from the column on the right.