Subtract 8/5 from 6/63, Solve 6/63

Subtract 8/5 from 6/63

1^st number: 6/63, 2^nd number: 1 3/5

6/63 - 8/5 is -158/105.

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,
6/63 = 6 × 5/63 × 5 = 30/315
Likewise, for the 2nd fraction, since 5 × 63 = 315,
8/5 = 8 × 63/5 × 63 = 504/315
Subtract the two like fractions:
30/315 - 504/315 = 30 - 504/315 = -474/315
After reducing the fraction, the answer is -158/105

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