Subtract 20/54 from 42/27
1st number: 1 15/27, 2nd number: 20/54
42/27 - 20/54 is 32/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Subtract the two like fractions:
84/54 - 20/54 = 84 - 20/54 = 64/54 - After reducing the fraction, the answer is 32/27
- In mixed form: 15/27
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