Subtract 21/54 from 42/24
1st number: 1 18/24, 2nd number: 21/54
42/24 - 21/54 is 49/36.
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,
21/54 = 21 × 4/54 × 4 = 84/216 - Subtract the two like fractions:
378/216 - 84/216 = 378 - 84/216 = 294/216 - After reducing the fraction, the answer is 49/36
- In mixed form: 113/36
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