Subtract 3/84 from 42/8, Solve 5 2/8

Subtract 3/84 from 42/8

1^st number: 5 2/8, 2^nd number: 3/84

42/8 - 3/84 is 73/14.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
42/8 = 42 × 21/8 × 21 = 882/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
3/84 = 3 × 2/84 × 2 = 6/168
Subtract the two like fractions:
882/168 - 6/168 = 882 - 6/168 = 876/168
After reducing the fraction, the answer is 73/14
In mixed form: 53/14

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