Subtract 42/24 from 90/54
1st number: 1 36/54, 2nd number: 1 18/24
90/54 - 42/24 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
90/54 = 90 × 4/54 × 4 = 360/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
42/24 = 42 × 9/24 × 9 = 378/216 - Subtract the two like fractions:
360/216 - 378/216 = 360 - 378/216 = -18/216 - After reducing the fraction, the answer is -1/12
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