Subtract 50/16 from 84/42, Solve 2 0/42

Subtract 50/16 from 84/42

1^st number: 2 0/42, 2^nd number: 3 2/16

84/42 - 50/16 is -9/8.

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,
84/42 = 84 × 8/42 × 8 = 672/336
Likewise, for the 2nd fraction, since 16 × 21 = 336,
50/16 = 50 × 21/16 × 21 = 1050/336
Subtract the two like fractions:
672/336 - 1050/336 = 672 - 1050/336 = -378/336
After reducing the fraction, the answer is -9/8

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