Subtract 15/63 from 72/35, Solve 2 2/35

Subtract 15/63 from 72/35

1^st number: 2 2/35, 2^nd number: 15/63

72/35 - 15/63 is 191/105.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 35 × 9 = 315,
72/35 = 72 × 9/35 × 9 = 648/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
15/63 = 15 × 5/63 × 5 = 75/315
Subtract the two like fractions:
648/315 - 75/315 = 648 - 75/315 = 573/315
After reducing the fraction, the answer is 191/105
In mixed form: 186/105

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