Subtract 3/27 from 18/2
1st number: 9 0/2, 2nd number: 3/27
18/2 - 3/27 is 80/9.
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,
3/27 = 3 × 2/27 × 2 = 6/54 - Subtract the two like fractions:
486/54 - 6/54 = 486 - 6/54 = 480/54 - After reducing the fraction, the answer is 80/9
- In mixed form: 88/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2-3/27 18/2-6/27 18/4-3/27 18/2-3/54 54/2-3/27 18/2-9/27 18/6-3/27 18/2-3/81 90/2-3/27 18/2-15/27 18/10-3/27 18/2-21/27 18/14-3/27