Subtract 15/3 from 21/2
1st number: 10 1/2, 2nd number: 5 0/3
21/2 - 15/3 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 3 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
21/2 = 21 × 3/2 × 3 = 63/6 - Likewise, for the 2nd fraction, since 3 × 2 = 6,
15/3 = 15 × 2/3 × 2 = 30/6 - Subtract the two like fractions:
63/6 - 30/6 = 63 - 30/6 = 33/6 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
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