Subtract 7/14 from 70/63, Solve 1 7/63

Subtract 7/14 from 70/63

1^st number: 1 7/63, 2^nd number: 7/14

70/63 - 7/14 is 11/18.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
70/63 = 70 × 2/63 × 2 = 140/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
7/14 = 7 × 9/14 × 9 = 63/126
Subtract the two like fractions:
140/126 - 63/126 = 140 - 63/126 = 77/126
After reducing the fraction, the answer is 11/18

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