Subtract 3/54 from 3/12
3/12 - 3/54 is 7/36.
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,
3/12 = 3 × 9/12 × 9 = 27/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
3/54 = 3 × 2/54 × 2 = 6/108 - Subtract the two like fractions:
27/108 - 6/108 = 27 - 6/108 = 21/108 - After reducing the fraction, the answer is 7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-3/54 3/12-6/54 3/24-3/54 9/12-3/54 3/12-9/54 3/36-3/54 15/12-3/54 3/12-15/54 3/60-3/54 21/12-3/54 3/12-21/54 3/84-3/54