Subtract 15/5 from 27/2
1st number: 13 1/2, 2nd number: 3 0/5
27/2 - 15/5 is 21/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
27/2 = 27 × 5/2 × 5 = 135/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
15/5 = 15 × 2/5 × 2 = 30/10 - Subtract the two like fractions:
135/10 - 30/10 = 135 - 30/10 = 105/10 - After reducing the fraction, the answer is 21/2
- In mixed form: 101/2
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