Subtract 72/60 from 6/63, Solve 6/63

Subtract 72/60 from 6/63

1^st number: 6/63, 2^nd number: 1 12/60

6/63 - 72/60 is -116/105.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 63 × 20 = 1260,
6/63 = 6 × 20/63 × 20 = 120/1260
Likewise, for the 2nd fraction, since 60 × 21 = 1260,
72/60 = 72 × 21/60 × 21 = 1512/1260
Subtract the two like fractions:
120/1260 - 1512/1260 = 120 - 1512/1260 = -1392/1260
After reducing the fraction, the answer is -116/105

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