Subtract 10/42 from 84/16, Solve 5 4/16

Subtract 10/42 from 84/16

1^st number: 5 4/16, 2^nd number: 10/42

84/16 - 10/42 is 421/84.

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,
84/16 = 84 × 21/16 × 21 = 1764/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
10/42 = 10 × 8/42 × 8 = 80/336
Subtract the two like fractions:
1764/336 - 80/336 = 1764 - 80/336 = 1684/336
After reducing the fraction, the answer is 421/84
In mixed form: 51/84

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