Subtract 60/84 from 70/63, Solve 1 7/63

Subtract 60/84 from 70/63

1^st number: 1 7/63, 2^nd number: 60/84

70/63 - 60/84 is 25/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 63 × 4 = 252,
70/63 = 70 × 4/63 × 4 = 280/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
60/84 = 60 × 3/84 × 3 = 180/252
Subtract the two like fractions:
280/252 - 180/252 = 280 - 180/252 = 100/252
After reducing the fraction, the answer is 25/63

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