Subtract 1/84 from 28/32, Solve 28/32

Subtract 1/84 from 28/32

28/32 - 1/84 is 145/168.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 84 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 32 × 21 = 672,
28/32 = 28 × 21/32 × 21 = 588/672
Likewise, for the 2nd fraction, since 84 × 8 = 672,
1/84 = 1 × 8/84 × 8 = 8/672
Subtract the two like fractions:
588/672 - 8/672 = 588 - 8/672 = 580/672
After reducing the fraction, the answer is 145/168

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