Subtract 5/70 from 15/36, Solve 15/36

Subtract 5/70 from 15/36

15/36 - 5/70 is 29/84.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 36 × 35 = 1260,
15/36 = 15 × 35/36 × 35 = 525/1260
Likewise, for the 2nd fraction, since 70 × 18 = 1260,
5/70 = 5 × 18/70 × 18 = 90/1260
Subtract the two like fractions:
525/1260 - 90/1260 = 525 - 90/1260 = 435/1260
After reducing the fraction, the answer is 29/84

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