Subtract 16/8 from 4/63, Solve 4/63

Subtract 16/8 from 4/63

1^st number: 4/63, 2^nd number: 2 0/8

4/63 - 16/8 is -122/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 63 × 8 = 504,
4/63 = 4 × 8/63 × 8 = 32/504
Likewise, for the 2nd fraction, since 8 × 63 = 504,
16/8 = 16 × 63/8 × 63 = 1008/504
Subtract the two like fractions:
32/504 - 1008/504 = 32 - 1008/504 = -976/504
After reducing the fraction, the answer is -122/63

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