Subtract 20/54 from 42/24
1st number: 1 18/24, 2nd number: 20/54
42/24 - 20/54 is 149/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
42/24 = 42 × 9/24 × 9 = 378/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Subtract the two like fractions:
378/216 - 80/216 = 378 - 80/216 = 298/216 - After reducing the fraction, the answer is 149/108
- In mixed form: 141/108
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