Subtract 42/32 from 7/84, Solve 7/84

Subtract 42/32 from 7/84

1^st number: 7/84, 2^nd number: 1 10/32

7/84 - 42/32 is -59/48.

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

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 84 × 8 = 672,
7/84 = 7 × 8/84 × 8 = 56/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
42/32 = 42 × 21/32 × 21 = 882/672
Subtract the two like fractions:
56/672 - 882/672 = 56 - 882/672 = -826/672
After reducing the fraction, the answer is -59/48

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