Subtract 14/84 from 90/24, Solve 3 18/24

Subtract 14/84 from 90/24

1^st number: 3 18/24, 2^nd number: 14/84

90/24 - 14/84 is 43/12.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
90/24 = 90 × 7/24 × 7 = 630/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
14/84 = 14 × 2/84 × 2 = 28/168
Subtract the two like fractions:
630/168 - 28/168 = 630 - 28/168 = 602/168
After reducing the fraction, the answer is 43/12
In mixed form: 37/12

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