Subtract 81/36 from 4/15
1st number: 4/15, 2nd number: 2 9/36
4/15 - 81/36 is -119/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
4/15 = 4 × 12/15 × 12 = 48/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
81/36 = 81 × 5/36 × 5 = 405/180 - Subtract the two like fractions:
48/180 - 405/180 = 48 - 405/180 = -357/180 - After reducing the fraction, the answer is -119/60
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