Subtract 72/63 from 35/14, Solve 2 7/14

Subtract 72/63 from 35/14

1^st number: 2 7/14, 2^nd number: 1 9/63

35/14 - 72/63 is 19/14.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
35/14 = 35 × 9/14 × 9 = 315/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
72/63 = 72 × 2/63 × 2 = 144/126
Subtract the two like fractions:
315/126 - 144/126 = 315 - 144/126 = 171/126
After reducing the fraction, the answer is 19/14
In mixed form: 15/14

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