Subtract 5/84 from 32/21, Solve 1 11/21

Subtract 5/84 from 32/21

1^st number: 1 11/21, 2^nd number: 5/84

32/21 - 5/84 is 41/28.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
32/21 = 32 × 4/21 × 4 = 128/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
5/84 = 5 × 1/84 × 1 = 5/84
Subtract the two like fractions:
128/84 - 5/84 = 128 - 5/84 = 123/84
After reducing the fraction, the answer is 41/28
In mixed form: 113/28

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