Subtract 84/27 from 20/15
1st number: 1 5/15, 2nd number: 3 3/27
20/15 - 84/27 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
20/15 = 20 × 9/15 × 9 = 180/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
84/27 = 84 × 5/27 × 5 = 420/135 - Subtract the two like fractions:
180/135 - 420/135 = 180 - 420/135 = -240/135 - After reducing the fraction, the answer is -16/9
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