Subtract 3/32 from 9/21, Solve 9/21

Subtract 3/32 from 9/21

9/21 - 3/32 is 75/224.

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

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 21 × 32 = 672,
9/21 = 9 × 32/21 × 32 = 288/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
3/32 = 3 × 21/32 × 21 = 63/672
Subtract the two like fractions:
288/672 - 63/672 = 288 - 63/672 = 225/672
After reducing the fraction, the answer is 75/224

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