Subtract 4/6 from 20/54
20/54 - 4/6 is -8/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
4/6 = 4 × 9/6 × 9 = 36/54 - Subtract the two like fractions:
20/54 - 36/54 = 20 - 36/54 = -16/54 - After reducing the fraction, the answer is -8/27
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