Subtract 70/27 from 20/54
1st number: 20/54, 2nd number: 2 16/27
20/54 - 70/27 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 27 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 27 × 2 = 54,
70/27 = 70 × 2/27 × 2 = 140/54 - Subtract the two like fractions:
20/54 - 140/54 = 20 - 140/54 = -120/54 - After reducing the fraction, the answer is -20/9
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