Subtract 1/54 from 42/18
1st number: 2 6/18, 2nd number: 1/54
42/18 - 1/54 is 125/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 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 54 × 1 = 54,
1/54 = 1 × 1/54 × 1 = 1/54 - Subtract the two like fractions:
126/54 - 1/54 = 126 - 1/54 = 125/54 - In mixed form: 217/54
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