Subtract 18/72 from 5/98, Solve 5/98

Subtract 18/72 from 5/98

5/98 - 18/72 is -39/196.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 98 × 36 = 3528,
5/98 = 5 × 36/98 × 36 = 180/3528
Likewise, for the 2nd fraction, since 72 × 49 = 3528,
18/72 = 18 × 49/72 × 49 = 882/3528
Subtract the two like fractions:
180/3528 - 882/3528 = 180 - 882/3528 = -702/3528
After reducing the fraction, the answer is -39/196

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