Subtract 21/98 from 28/12, Solve 2 4/12

Subtract 21/98 from 28/12

1^st number: 2 4/12, 2^nd number: 21/98

28/12 - 21/98 is 89/42.

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,
28/12 = 28 × 49/12 × 49 = 1372/588
Likewise, for the 2nd fraction, since 98 × 6 = 588,
21/98 = 21 × 6/98 × 6 = 126/588
Subtract the two like fractions:
1372/588 - 126/588 = 1372 - 126/588 = 1246/588
After reducing the fraction, the answer is 89/42
In mixed form: 25/42

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