Subtract 72/45 from 4/98, Solve 4/98

Subtract 72/45 from 4/98

1^st number: 4/98, 2^nd number: 1 27/45

4/98 - 72/45 is -382/245.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410

Next, find the equivalent fraction of both fractional numbers with denominator 4410
For the 1st fraction, since 98 × 45 = 4410,
4/98 = 4 × 45/98 × 45 = 180/4410
Likewise, for the 2nd fraction, since 45 × 98 = 4410,
72/45 = 72 × 98/45 × 98 = 7056/4410
Subtract the two like fractions:
180/4410 - 7056/4410 = 180 - 7056/4410 = -6876/4410
After reducing the fraction, the answer is -382/245

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