Subtract 42/84 from 5/2
1st number: 2 1/2, 2nd number: 42/84
5/2 - 42/84 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
5/2 = 5 × 42/2 × 42 = 210/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84 - Subtract the two like fractions:
210/84 - 42/84 = 210 - 42/84 = 168/84 - After reducing the fraction, the answer is 2/1
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