Subtract 15/98 from 42/12, Solve 3 6/12

Subtract 15/98 from 42/12

1^st number: 3 6/12, 2^nd number: 15/98

42/12 - 15/98 is 164/49.

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

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 12 × 49 = 588,
42/12 = 42 × 49/12 × 49 = 2058/588
Likewise, for the 2nd fraction, since 98 × 6 = 588,
15/98 = 15 × 6/98 × 6 = 90/588
Subtract the two like fractions:
2058/588 - 90/588 = 2058 - 90/588 = 1968/588
After reducing the fraction, the answer is 164/49
In mixed form: 317/49

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