Subtract 27/90 from 81/6
1st number: 13 3/6, 2nd number: 27/90
81/6 - 27/90 is 66/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
81/6 = 81 × 15/6 × 15 = 1215/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90 - Subtract the two like fractions:
1215/90 - 27/90 = 1215 - 27/90 = 1188/90 - After reducing the fraction, the answer is 66/5
- In mixed form: 131/5
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