Subtract 9/15 from 27/10
1st number: 2 7/10, 2nd number: 9/15
27/10 - 9/15 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
27/10 = 27 × 3/10 × 3 = 81/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
9/15 = 9 × 2/15 × 2 = 18/30 - Subtract the two like fractions:
81/30 - 18/30 = 81 - 18/30 = 63/30 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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