Subtract 15/27 from 18/2
1st number: 9 0/2, 2nd number: 15/27
18/2 - 15/27 is 76/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
18/2 = 18 × 27/2 × 27 = 486/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
15/27 = 15 × 2/27 × 2 = 30/54 - Subtract the two like fractions:
486/54 - 30/54 = 486 - 30/54 = 456/54 - After reducing the fraction, the answer is 76/9
- In mixed form: 84/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2-15/27 18/2-30/27 18/4-15/27 18/2-15/54 54/2-15/27 18/2-45/27 18/6-15/27 18/2-15/81 90/2-15/27 18/2-75/27 18/10-15/27 18/14-15/27