Subtract 1/49 from 20/12, Solve 1 8/12

Subtract 1/49 from 20/12

1^st number: 1 8/12, 2^nd number: 1/49

20/12 - 1/49 is 242/147.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 12 × 49 = 588,
20/12 = 20 × 49/12 × 49 = 980/588
Likewise, for the 2nd fraction, since 49 × 12 = 588,
1/49 = 1 × 12/49 × 12 = 12/588
Subtract the two like fractions:
980/588 - 12/588 = 980 - 12/588 = 968/588
After reducing the fraction, the answer is 242/147
In mixed form: 195/147

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