Subtract 12/84 from 30/32, Solve 30/32

Subtract 12/84 from 30/32

30/32 - 12/84 is 89/112.

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,
30/32 = 30 × 21/32 × 21 = 630/672
Likewise, for the 2nd fraction, since 84 × 8 = 672,
12/84 = 12 × 8/84 × 8 = 96/672
Subtract the two like fractions:
630/672 - 96/672 = 630 - 96/672 = 534/672
After reducing the fraction, the answer is 89/112

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