Explain that addition and subtraction of fractions are inverse operations
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I can explain that addition and subtraction of fractions are inverse operations.
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You know that if 3 + 4 = 7 then 7 - 4 = 3
Facts about whole numbers can be applied to the numerators of fractions with the same denominator.
If 3 tenths plus 4 tenths is equal to 7 tenths then 7 tenths subtract 4 tenths is equal to 3 tenths.
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