Subtract 20/35 from 5/72, Solve 5/72

Subtract 20/35 from 5/72

5/72 - 20/35 is -253/504.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 72 × 35 = 2520,
5/72 = 5 × 35/72 × 35 = 175/2520
Likewise, for the 2nd fraction, since 35 × 72 = 2520,
20/35 = 20 × 72/35 × 72 = 1440/2520
Subtract the two like fractions:
175/2520 - 1440/2520 = 175 - 1440/2520 = -1265/2520
After reducing the fraction, the answer is -253/504

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