Subtract 35/21 from 20/32, Solve 20/32

Subtract 35/21 from 20/32

1^st number: 20/32, 2^nd number: 1 14/21

20/32 - 35/21 is -25/24.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 32 × 21 = 672,
20/32 = 20 × 21/32 × 21 = 420/672
Likewise, for the 2nd fraction, since 21 × 32 = 672,
35/21 = 35 × 32/21 × 32 = 1120/672
Subtract the two like fractions:
420/672 - 1120/672 = 420 - 1120/672 = -700/672
After reducing the fraction, the answer is -25/24

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