Subtract 9/28 from 90/24, Solve 3 18/24

Subtract 9/28 from 90/24

1^st number: 3 18/24, 2^nd number: 9/28

90/24 - 9/28 is 24/7.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 28 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 28 × 6 = 168,
9/28 = 9 × 6/28 × 6 = 54/168
Subtract the two like fractions:
630/168 - 54/168 = 630 - 54/168 = 576/168
After reducing the fraction, the answer is 24/7
In mixed form: 33/7

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