Subtract 15/63 from 16/4, Solve 4 0/4

Subtract 15/63 from 16/4

1^st number: 4 0/4, 2^nd number: 15/63

16/4 - 15/63 is 79/21.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 4 × 63 = 252,
16/4 = 16 × 63/4 × 63 = 1008/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252
Subtract the two like fractions:
1008/252 - 60/252 = 1008 - 60/252 = 948/252
After reducing the fraction, the answer is 79/21
In mixed form: 316/21

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