Subtract 84/24 from 90/48
1st number: 1 42/48, 2nd number: 3 12/24
90/48 - 84/24 is -13/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 24 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
90/48 = 90 × 1/48 × 1 = 90/48 - Likewise, for the 2nd fraction, since 24 × 2 = 48,
84/24 = 84 × 2/24 × 2 = 168/48 - Subtract the two like fractions:
90/48 - 168/48 = 90 - 168/48 = -78/48 - After reducing the fraction, the answer is -13/8
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