Subtract 9/63 from 63/16, Solve 3 15/16

Subtract 9/63 from 63/16

1^st number: 3 15/16, 2^nd number: 9/63

63/16 - 9/63 is 425/112.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1008
For the 1st fraction, since 16 × 63 = 1008,
63/16 = 63 × 63/16 × 63 = 3969/1008
Likewise, for the 2nd fraction, since 63 × 16 = 1008,
9/63 = 9 × 16/63 × 16 = 144/1008
Subtract the two like fractions:
3969/1008 - 144/1008 = 3969 - 144/1008 = 3825/1008
After reducing the fraction, the answer is 425/112
In mixed form: 389/112

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