Subtract 40/84 from 5/24
5/24 - 40/84 is -15/56.
Steps for subtracting fractions
- 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,
5/24 = 5 × 7/24 × 7 = 35/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
40/84 = 40 × 2/84 × 2 = 80/168 - Subtract the two like fractions:
35/168 - 80/168 = 35 - 80/168 = -45/168 - After reducing the fraction, the answer is -15/56
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