Subtract 3/12 from 84/32, Solve 2 20/32

Subtract 3/12 from 84/32

1^st number: 2 20/32, 2^nd number: 3/12

84/32 - 3/12 is 19/8.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 12 is 96

Next, find the equivalent fraction of both fractional numbers with denominator 96
For the 1st fraction, since 32 × 3 = 96,
84/32 = 84 × 3/32 × 3 = 252/96
Likewise, for the 2nd fraction, since 12 × 8 = 96,
3/12 = 3 × 8/12 × 8 = 24/96
Subtract the two like fractions:
252/96 - 24/96 = 252 - 24/96 = 228/96
After reducing the fraction, the answer is 19/8
In mixed form: 23/8

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