Subtract 81/15 from 20/6
1st number: 3 2/6, 2nd number: 5 6/15
20/6 - 81/15 is -31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
20/6 = 20 × 5/6 × 5 = 100/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
81/15 = 81 × 2/15 × 2 = 162/30 - Subtract the two like fractions:
100/30 - 162/30 = 100 - 162/30 = -62/30 - After reducing the fraction, the answer is -31/15
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