Subtract 4/84 from 60/8, Solve 7 4/8

Subtract 4/84 from 60/8

1^st number: 7 4/8, 2^nd number: 4/84

60/8 - 4/84 is 313/42.

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,
60/8 = 60 × 21/8 × 21 = 1260/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
4/84 = 4 × 2/84 × 2 = 8/168
Subtract the two like fractions:
1260/168 - 8/168 = 1260 - 8/168 = 1252/168
After reducing the fraction, the answer is 313/42
In mixed form: 719/42

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