Subtract 7/27 from 42/18
1st number: 2 6/18, 2nd number: 7/27
42/18 - 7/27 is 56/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
42/18 = 42 × 3/18 × 3 = 126/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
7/27 = 7 × 2/27 × 2 = 14/54 - Subtract the two like fractions:
126/54 - 14/54 = 126 - 14/54 = 112/54 - After reducing the fraction, the answer is 56/27
- In mixed form: 22/27
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