Subtract 63/7 from 45/16, Solve 2 13/16

Subtract 63/7 from 45/16

1^st number: 2 13/16, 2^nd number: 9 0/7

45/16 - 63/7 is -99/16.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 16 × 7 = 112,
45/16 = 45 × 7/16 × 7 = 315/112
Likewise, for the 2nd fraction, since 7 × 16 = 112,
63/7 = 63 × 16/7 × 16 = 1008/112
Subtract the two like fractions:
315/112 - 1008/112 = 315 - 1008/112 = -693/112
After reducing the fraction, the answer is -99/16

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