Subtracting Large Numbers

When subtracting large integers, it is important to remember to line up the integers by place value. Match the ones, tens, hundreds, thousands, and each higher place value with the same place value as the other number in the subtraction problem. Then go be each place value, starting from the lowest, and subtract the numbers. In some cases the top number may be of lower value than the bottom. If this happens simply borrow ten from the higher place value. The higher place value number will be reduced by one, and the lower place value will be increased by ten. Then continue your subtraction as normal.

Subtracting Two Large Integers

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by Mometrix Test Preparation | Last Updated: March 26, 2019