Subtract 1/54 from 1/12
1/12 - 1/54 is 7/108.
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,
1/12 = 1 × 9/12 × 9 = 9/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
1/54 = 1 × 2/54 × 2 = 2/108 - Subtract the two like fractions:
9/108 - 2/108 = 9 - 2/108 = 7/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-1/54 1/12-2/54 1/24-1/54 3/12-1/54 1/12-3/54 1/36-1/54 5/12-1/54 1/12-5/54 1/60-1/54 7/12-1/54 1/12-7/54 1/84-1/54