Subtract 20/27 from 56/45
1st number: 1 11/45, 2nd number: 20/27
56/45 - 20/27 is 68/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
56/45 = 56 × 3/45 × 3 = 168/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Subtract the two like fractions:
168/135 - 100/135 = 168 - 100/135 = 68/135
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