Subtract 54/12 from 12/98, Solve 12/98

Subtract 54/12 from 12/98

1^st number: 12/98, 2^nd number: 4 6/12

12/98 - 54/12 is -429/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 98 × 6 = 588,
12/98 = 12 × 6/98 × 6 = 72/588
Likewise, for the 2nd fraction, since 12 × 49 = 588,
54/12 = 54 × 49/12 × 49 = 2646/588
Subtract the two like fractions:
72/588 - 2646/588 = 72 - 2646/588 = -2574/588
After reducing the fraction, the answer is -429/98

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