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

Subtract 3/32 from 21/35

21/35 - 3/32 is 81/160.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 32 is 1120

Next, find the equivalent fraction of both fractional numbers with denominator 1120
For the 1st fraction, since 35 × 32 = 1120,
21/35 = 21 × 32/35 × 32 = 672/1120
Likewise, for the 2nd fraction, since 32 × 35 = 1120,
3/32 = 3 × 35/32 × 35 = 105/1120
Subtract the two like fractions:
672/1120 - 105/1120 = 672 - 105/1120 = 567/1120
After reducing the fraction, the answer is 81/160

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