Subtract 4/8 from 20/54
20/54 - 4/8 is -7/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
4/8 = 4 × 27/8 × 27 = 108/216 - Subtract the two like fractions:
80/216 - 108/216 = 80 - 108/216 = -28/216 - After reducing the fraction, the answer is -7/54
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