Subtract 9/60 from 81/15
1st number: 5 6/15, 2nd number: 9/60
81/15 - 9/60 is 21/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
81/15 = 81 × 4/15 × 4 = 324/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
9/60 = 9 × 1/60 × 1 = 9/60 - Subtract the two like fractions:
324/60 - 9/60 = 324 - 9/60 = 315/60 - After reducing the fraction, the answer is 21/4
- In mixed form: 51/4
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