Subtract 18/49 from 14/72, Solve 14/72

Subtract 18/49 from 14/72

14/72 - 18/49 is -305/1764.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 72 × 49 = 3528,
14/72 = 14 × 49/72 × 49 = 686/3528
Likewise, for the 2nd fraction, since 49 × 72 = 3528,
18/49 = 18 × 72/49 × 72 = 1296/3528
Subtract the two like fractions:
686/3528 - 1296/3528 = 686 - 1296/3528 = -610/3528
After reducing the fraction, the answer is -305/1764

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