Subtract 4/63 from 15/35, Solve 15/35

Subtract 4/63 from 15/35

15/35 - 4/63 is 23/63.

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,
15/35 = 15 × 9/35 × 9 = 135/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
4/63 = 4 × 5/63 × 5 = 20/315
Subtract the two like fractions:
135/315 - 20/315 = 135 - 20/315 = 115/315
After reducing the fraction, the answer is 23/63

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