Subtract 75/63 from 1/8, Solve 1/8 - 1 12/63 as a fraction

Subtract 75/63 from 1/8

1^st number: 1/8, 2^nd number: 1 12/63

1/8 - 75/63 is -179/168.

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

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 8 × 63 = 504,
1/8 = 1 × 63/8 × 63 = 63/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
75/63 = 75 × 8/63 × 8 = 600/504
Subtract the two like fractions:
63/504 - 600/504 = 63 - 600/504 = -537/504
After reducing the fraction, the answer is -179/168

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