Subtract 21/15 from 18/2
1st number: 9 0/2, 2nd number: 1 6/15
18/2 - 21/15 is 38/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
18/2 = 18 × 15/2 × 15 = 270/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
21/15 = 21 × 2/15 × 2 = 42/30 - Subtract the two like fractions:
270/30 - 42/30 = 270 - 42/30 = 228/30 - After reducing the fraction, the answer is 38/5
- In mixed form: 73/5
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