Subtract 27/30 from 81/10
1st number: 8 1/10, 2nd number: 27/30
81/10 - 27/30 is 36/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
81/10 = 81 × 3/10 × 3 = 243/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
27/30 = 27 × 1/30 × 1 = 27/30 - Subtract the two like fractions:
243/30 - 27/30 = 243 - 27/30 = 216/30 - After reducing the fraction, the answer is 36/5
- In mixed form: 71/5
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