Subtract 49/16 from 12/63, Solve 12/63

Subtract 49/16 from 12/63

1^st number: 12/63, 2^nd number: 3 1/16

12/63 - 49/16 is -965/336.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 16 is 1008

Next, find the equivalent fraction of both fractional numbers with denominator 1008
For the 1st fraction, since 63 × 16 = 1008,
12/63 = 12 × 16/63 × 16 = 192/1008
Likewise, for the 2nd fraction, since 16 × 63 = 1008,
49/16 = 49 × 63/16 × 63 = 3087/1008
Subtract the two like fractions:
192/1008 - 3087/1008 = 192 - 3087/1008 = -2895/1008
After reducing the fraction, the answer is -965/336

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