Subtract 9/24 from 18/84
18/84 - 9/24 is -9/56.
Steps for subtracting fractions
- 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,
18/84 = 18 × 2/84 × 2 = 36/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
9/24 = 9 × 7/24 × 7 = 63/168 - Subtract the two like fractions:
36/168 - 63/168 = 36 - 63/168 = -27/168 - After reducing the fraction, the answer is -9/56
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