Subtract 6/36 from 81/15
1st number: 5 6/15, 2nd number: 6/36
81/15 - 6/36 is 157/30.
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,
81/15 = 81 × 12/15 × 12 = 972/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
6/36 = 6 × 5/36 × 5 = 30/180 - Subtract the two like fractions:
972/180 - 30/180 = 972 - 30/180 = 942/180 - After reducing the fraction, the answer is 157/30
- In mixed form: 57/30
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