Subtract 18/5 from 81/15
1st number: 5 6/15, 2nd number: 3 3/5
81/15 - 18/5 is 9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
81/15 = 81 × 1/15 × 1 = 81/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
18/5 = 18 × 3/5 × 3 = 54/15 - Subtract the two like fractions:
81/15 - 54/15 = 81 - 54/15 = 27/15 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
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