Subtract 72/98 from 80/12, Solve 6 8/12

Subtract 72/98 from 80/12

1^st number: 6 8/12, 2^nd number: 72/98

80/12 - 72/98 is 872/147.

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,
80/12 = 80 × 49/12 × 49 = 3920/588
Likewise, for the 2nd fraction, since 98 × 6 = 588,
72/98 = 72 × 6/98 × 6 = 432/588
Subtract the two like fractions:
3920/588 - 432/588 = 3920 - 432/588 = 3488/588
After reducing the fraction, the answer is 872/147
In mixed form: 5137/147

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