Adding DecimalsWhen including numbers with decimals the most crucial thing is to heat up the decimal clues of the numbers you room adding. If you carry out this, including decimals is similar to normal adding.Here room some basic steps you have the right to follow:Write down the numbers vertically as with you would typically for addition. Once doing this, be certain to heat up the decimal clues one on optimal of the other.To make things easier, you can add in zeros as location holders to make the right sides the the decimal point out the exact same length.Add increase the numbers, similar to normal.When you create down the answer, line up the decimal suggest with the number you included together. This is crucial step. The decimal point out of all the numbers, including the answer, need to line up.


You are watching: Why is it important to line up decimals when adding and subtracting

Examples:1) 12 + 7.05 + .12 = ?
12.007.05+ 0.1219.17
See exactly how the decimal points every line up and how we added in zero"s after the 12 and also before .12 to do them line up easier.2) 2.82 + 9.007 + 6 = ?
2.8209.007+ 6.00017.827
Subtracting DecimalsSubtracting decimal works specifically like adding decimals. Well, other than for the subtracting part. As with when adding decimals, the most important thing is to store your decimal points lined up. Remember you can include in zeros to the right and to the left that the decimal allude if it helps you come line things up.Example:1) 43.598 - 3.4 = ?
43.598- 3.40040.198
2) 315.772 - 55.498 = ?
315.772 - 55.498 260.274




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