# Evaluate 400-1.2 400-1.2
Subtract using long subtraction.
Set up the subtraction problem in long subtraction format.
 4 0 0 – 1 . 2 .
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to 0. Reduce the number that was borrowed from by 1.
 -1 10 4 0 0 – 1 . 2 .
Subtract 2 from 10.
 -1 10 4 0 0 – 1 . 2 . 8
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to -1. Reduce the number that was borrowed from by 1.
 -1 9 10 4 0 0 – 1 . 2 . 8
Subtract 1 from 9.
 -1 9 10 4 0 0 – 1 . 2 8 . 8
Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to -1. Reduce the number that was borrowed from by 1.
 3 9 9 10 4 0 0 – 1 . 2 8 . 8
Subtract 0 from 9.
 3 9 9 10 4 0 0 – 1 . 2 9 8 . 8
Subtract 0 from 3.
 3 9 9 10 4 0 0 – 1 . 2 3 9 8 . 8
 3 9 9 10 4 0 0 – 1 . 2 3 9 8 . 8
The result of 400-1.2 is 398.8.
398.8
Evaluate 400-1.2

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