Subtract 30/60 from 1/63, Solve 1/63

Subtract 30/60 from 1/63

1/63 - 30/60 is -61/126.

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,
1/63 = 1 × 20/63 × 20 = 20/1260
Likewise, for the 2nd fraction, since 60 × 21 = 1260,
30/60 = 30 × 21/60 × 21 = 630/1260
Subtract the two like fractions:
20/1260 - 630/1260 = 20 - 630/1260 = -610/1260
After reducing the fraction, the answer is -61/126

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