Subtract 7/16 from 14/42, Solve 14/42

Subtract 7/16 from 14/42

14/42 - 7/16 is -5/48.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 42 × 8 = 336,
14/42 = 14 × 8/42 × 8 = 112/336
Likewise, for the 2nd fraction, since 16 × 21 = 336,
7/16 = 7 × 21/16 × 21 = 147/336
Subtract the two like fractions:
112/336 - 147/336 = 112 - 147/336 = -35/336
After reducing the fraction, the answer is -5/48

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