Subtract 9/8 from 3/63, Solve 3/63

Subtract 9/8 from 3/63

1^st number: 3/63, 2^nd number: 1 1/8

3/63 - 9/8 is -181/168.

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,
3/63 = 3 × 8/63 × 8 = 24/504
Likewise, for the 2nd fraction, since 8 × 63 = 504,
9/8 = 9 × 63/8 × 63 = 567/504
Subtract the two like fractions:
24/504 - 567/504 = 24 - 567/504 = -543/504
After reducing the fraction, the answer is -181/168

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