Subtract 18/5 from 81/6
1st number: 13 3/6, 2nd number: 3 3/5
81/6 - 18/5 is 99/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
81/6 = 81 × 5/6 × 5 = 405/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
18/5 = 18 × 6/5 × 6 = 108/30 - Subtract the two like fractions:
405/30 - 108/30 = 405 - 108/30 = 297/30 - After reducing the fraction, the answer is 99/10
- In mixed form: 99/10
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