Subtract 15/20 from 35/12, Solve 2 11/12

Subtract 15/20 from 35/12

1^st number: 2 11/12, 2^nd number: 15/20

35/12 - 15/20 is 13/6.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
35/12 = 35 × 5/12 × 5 = 175/60
Likewise, for the 2nd fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60
Subtract the two like fractions:
175/60 - 45/60 = 175 - 45/60 = 130/60
After reducing the fraction, the answer is 13/6
In mixed form: 21/6

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