Subtract 28/21 from 35/32, Solve 1 3/32

Subtract 28/21 from 35/32

1^st number: 1 3/32, 2^nd number: 1 7/21

35/32 - 28/21 is -23/96.

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,
35/32 = 35 × 21/32 × 21 = 735/672
Likewise, for the 2nd fraction, since 21 × 32 = 672,
28/21 = 28 × 32/21 × 32 = 896/672
Subtract the two like fractions:
735/672 - 896/672 = 735 - 896/672 = -161/672
After reducing the fraction, the answer is -23/96

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