Subtract 45/54 from 42/18
1st number: 2 6/18, 2nd number: 45/54
42/18 - 45/54 is 3/2.
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,
45/54 = 45 × 1/54 × 1 = 45/54 - Subtract the two like fractions:
126/54 - 45/54 = 126 - 45/54 = 81/54 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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