Subtract 42/24 from 90/12
1st number: 7 6/12, 2nd number: 1 18/24
90/12 - 42/24 is 23/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
90/12 = 90 × 2/12 × 2 = 180/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Subtract the two like fractions:
180/24 - 42/24 = 180 - 42/24 = 138/24 - After reducing the fraction, the answer is 23/4
- In mixed form: 53/4
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