Subtract 5/42 from 10/16, Solve 10/16

Subtract 5/42 from 10/16

10/16 - 5/42 is 85/168.

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

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
10/16 = 10 × 21/16 × 21 = 210/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
5/42 = 5 × 8/42 × 8 = 40/336
Subtract the two like fractions:
210/336 - 40/336 = 210 - 40/336 = 170/336
After reducing the fraction, the answer is 85/168

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