Subtract 3/63 from 70/12, Solve 5 10/12

Subtract 3/63 from 70/12

1^st number: 5 10/12, 2^nd number: 3/63

70/12 - 3/63 is 81/14.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 12 × 21 = 252,
70/12 = 70 × 21/12 × 21 = 1470/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
3/63 = 3 × 4/63 × 4 = 12/252
Subtract the two like fractions:
1470/252 - 12/252 = 1470 - 12/252 = 1458/252
After reducing the fraction, the answer is 81/14
In mixed form: 511/14

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