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9 5/8 - 1 7/8 = 7 3/4

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It is often easier to convert mixed numbers to improper fractions, do the sum and convert any resulting improper fraction back to a mixed number:

9 5/8 - 1 7/8

= (9×8+5)/8 - (1×8+7)/8

= 77/8 - 15/8

= 62/8

= 31/4

= (7×4+3)/4

= 7¾

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7y ago

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