Subtract 6/32 from 3/42, Solve 3/42

Subtract 6/32 from 3/42

3/42 - 6/32 is -13/112.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 42 × 16 = 672,
3/42 = 3 × 16/42 × 16 = 48/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
6/32 = 6 × 21/32 × 21 = 126/672
Subtract the two like fractions:
48/672 - 126/672 = 48 - 126/672 = -78/672
After reducing the fraction, the answer is -13/112

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