Subtract 20/24 from 3/27
3/27 - 20/24 is -13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
3/27 = 3 × 8/27 × 8 = 24/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
20/24 = 20 × 9/24 × 9 = 180/216 - Subtract the two like fractions:
24/216 - 180/216 = 24 - 180/216 = -156/216 - After reducing the fraction, the answer is -13/18
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