Subtract 20/27 from 4/8
4/8 - 20/27 is -13/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
4/8 = 4 × 27/8 × 27 = 108/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
20/27 = 20 × 8/27 × 8 = 160/216 - Subtract the two like fractions:
108/216 - 160/216 = 108 - 160/216 = -52/216 - After reducing the fraction, the answer is -13/54
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