Subtract 12/45 from 4/98, Solve 4/98

Subtract 12/45 from 4/98

4/98 - 12/45 is -166/735.

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,
12/45 = 12 × 98/45 × 98 = 1176/4410
Subtract the two like fractions:
180/4410 - 1176/4410 = 180 - 1176/4410 = -996/4410
After reducing the fraction, the answer is -166/735

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