Subtract 18/54 from 5/12
5/12 - 18/54 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
5/12 = 5 × 9/12 × 9 = 45/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
18/54 = 18 × 2/54 × 2 = 36/108 - Subtract the two like fractions:
45/108 - 36/108 = 45 - 36/108 = 9/108 - After reducing the fraction, the answer is 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12-18/54 5/12-36/54 5/24-18/54 15/12-18/54 5/36-18/54 25/12-18/54 5/12-90/54 5/60-18/54 35/12-18/54 5/84-18/54