Subtract 28/24 from 8/84, Solve 8/84

Subtract 28/24 from 8/84

1^st number: 8/84, 2^nd number: 1 4/24

8/84 - 28/24 is -15/14.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 84 × 2 = 168,
8/84 = 8 × 2/84 × 2 = 16/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
28/24 = 28 × 7/24 × 7 = 196/168
Subtract the two like fractions:
16/168 - 196/168 = 16 - 196/168 = -180/168
After reducing the fraction, the answer is -15/14

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