Subtract 42/25 from 5/84
1st number: 5/84, 2nd number: 1 17/25
5/84 - 42/25 is -3403/2100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
5/84 = 5 × 25/84 × 25 = 125/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
42/25 = 42 × 84/25 × 84 = 3528/2100 - Subtract the two like fractions:
125/2100 - 3528/2100 = 125 - 3528/2100 = -3403/2100
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