Subtract 20/27 from 56/72
56/72 - 20/27 is 1/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
56/72 = 56 × 3/72 × 3 = 168/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
20/27 = 20 × 8/27 × 8 = 160/216 - Subtract the two like fractions:
168/216 - 160/216 = 168 - 160/216 = 8/216 - After reducing the fraction, the answer is 1/27
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