Subtract 30/24 from 30/84, Solve 30/84

Subtract 30/24 from 30/84

1^st number: 30/84, 2^nd number: 1 6/24

30/84 - 30/24 is -25/28.

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,
30/84 = 30 × 2/84 × 2 = 60/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168
Subtract the two like fractions:
60/168 - 210/168 = 60 - 210/168 = -150/168
After reducing the fraction, the answer is -25/28

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