How can number sense help to know if I have subtracted two mixed numbers correctly

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asked Sep 22, 2019 224k views

1 vote

How can number sense help to know if I have subtracted two mixed numbers correctly

Mathematics
middle-school

Plastique asked

by Plastique

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One way is adding your answer to the subtraction. What I mean is adding the answer by the number you subtracted with. Hopefully this was clear enough!

Siti answered Sep 26, 2019

by Siti

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