Subtract 90/24 from 15/28
1st number: 15/28, 2nd number: 3 18/24
15/28 - 90/24 is -45/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
15/28 = 15 × 6/28 × 6 = 90/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
90/24 = 90 × 7/24 × 7 = 630/168 - Subtract the two like fractions:
90/168 - 630/168 = 90 - 630/168 = -540/168 - After reducing the fraction, the answer is -45/14
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