Subtract 20/12 from 90/24
1st number: 3 18/24, 2nd number: 1 8/12
90/24 - 20/12 is 25/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
90/24 = 90 × 1/24 × 1 = 90/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
20/12 = 20 × 2/12 × 2 = 40/24 - Subtract the two like fractions:
90/24 - 40/24 = 90 - 40/24 = 50/24 - After reducing the fraction, the answer is 25/12
- In mixed form: 21/12
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