Subtract 80/98 from 21/12, Solve 1 9/12

Subtract 80/98 from 21/12

1^st number: 1 9/12, 2^nd number: 80/98

21/12 - 80/98 is 183/196.

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,
21/12 = 21 × 49/12 × 49 = 1029/588
Likewise, for the 2nd fraction, since 98 × 6 = 588,
80/98 = 80 × 6/98 × 6 = 480/588
Subtract the two like fractions:
1029/588 - 480/588 = 1029 - 480/588 = 549/588
After reducing the fraction, the answer is 183/196

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