Subtract 20/84 from 35/12, Solve 2 11/12

Subtract 20/84 from 35/12

1^st number: 2 11/12, 2^nd number: 20/84

35/12 - 20/84 is 75/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
35/12 = 35 × 7/12 × 7 = 245/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84
Subtract the two like fractions:
245/84 - 20/84 = 245 - 20/84 = 225/84
After reducing the fraction, the answer is 75/28
In mixed form: 219/28

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