Subtract 18/72 from 5/49, Solve 5/49

Subtract 18/72 from 5/49

5/49 - 18/72 is -29/196.

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

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 49 × 72 = 3528,
5/49 = 5 × 72/49 × 72 = 360/3528
Likewise, for the 2nd fraction, since 72 × 49 = 3528,
18/72 = 18 × 49/72 × 49 = 882/3528
Subtract the two like fractions:
360/3528 - 882/3528 = 360 - 882/3528 = -522/3528
After reducing the fraction, the answer is -29/196

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