Subtract 25/15 from 9/84
1st number: 9/84, 2nd number: 1 10/15
9/84 - 25/15 is -131/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
25/15 = 25 × 28/15 × 28 = 700/420 - Subtract the two like fractions:
45/420 - 700/420 = 45 - 700/420 = -655/420 - After reducing the fraction, the answer is -131/84
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