Evaluate 120-40

Math
120-40
Subtract using long subtraction.
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Set up the subtraction problem in long subtraction format.
120
40
Subtract 0 from 0.
120
40
0
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to 2. Reduce the number that was borrowed from by 1.
012
120
40
0
Subtract 4 from 12.
012
120
40
80
Subtract 0 from 0.
012
120
40
080
012
120
40
080
The result of 120-40 is 80.
80
Evaluate 120-40

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