Subtract 6/21 from 32/20, Solve 1 12/20

Subtract 6/21 from 32/20

1^st number: 1 12/20, 2^nd number: 6/21

32/20 - 6/21 is 46/35.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
32/20 = 32 × 21/20 × 21 = 672/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
6/21 = 6 × 20/21 × 20 = 120/420
Subtract the two like fractions:
672/420 - 120/420 = 672 - 120/420 = 552/420
After reducing the fraction, the answer is 46/35
In mixed form: 111/35

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