Subtract 6/90 from 72/98, Solve 72/98

Subtract 6/90 from 72/98

72/98 - 6/90 is 491/735.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410

Next, find the equivalent fraction of both fractional numbers with denominator 4410
For the 1st fraction, since 98 × 45 = 4410,
72/98 = 72 × 45/98 × 45 = 3240/4410
Likewise, for the 2nd fraction, since 90 × 49 = 4410,
6/90 = 6 × 49/90 × 49 = 294/4410
Subtract the two like fractions:
3240/4410 - 294/4410 = 3240 - 294/4410 = 2946/4410
After reducing the fraction, the answer is 491/735

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