Subtract 10/5 from 8/63, Solve 8/63

Subtract 10/5 from 8/63

1^st number: 8/63, 2^nd number: 2 0/5

8/63 - 10/5 is -118/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 63 × 5 = 315,
8/63 = 8 × 5/63 × 5 = 40/315
Likewise, for the 2nd fraction, since 5 × 63 = 315,
10/5 = 10 × 63/5 × 63 = 630/315
Subtract the two like fractions:
40/315 - 630/315 = 40 - 630/315 = -590/315
After reducing the fraction, the answer is -118/63

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