Subtract 27/36 from 4/98, Solve 4/98

Subtract 27/36 from 4/98

4/98 - 27/36 is -139/196.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 36 is 1764

Next, find the equivalent fraction of both fractional numbers with denominator 1764
For the 1st fraction, since 98 × 18 = 1764,
4/98 = 4 × 18/98 × 18 = 72/1764
Likewise, for the 2nd fraction, since 36 × 49 = 1764,
27/36 = 27 × 49/36 × 49 = 1323/1764
Subtract the two like fractions:
72/1764 - 1323/1764 = 72 - 1323/1764 = -1251/1764
After reducing the fraction, the answer is -139/196

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