Question

Paloma evaluated the expression 1 3/4 − 5/8. What is a way she can check her work?

Answer 1

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Answer:

  add the subtrahend to the difference

Step-by-step explanation:

The usual way to check a subtraction problem is to add the subtrahend to the difference to see if you get the minuend as a result.

Paloma can add 5/8 to her result to see if she gets 1 3/4.

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She can also perform the subtraction using decimal fractions to see if she gets the same result.

  1.750 -0.625 = 1.125