Subtract 12/54 from 5/12
5/12 - 12/54 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,
5/12 = 5 × 9/12 × 9 = 45/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
12/54 = 12 × 2/54 × 2 = 24/108 - Subtract the two like fractions:
45/108 - 24/108 = 45 - 24/108 = 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: 10/12-12/54 5/12-24/54 5/24-12/54 15/12-12/54 5/12-36/54 5/36-12/54 25/12-12/54 5/12-60/54 5/60-12/54 35/12-12/54 5/12-84/54 5/84-12/54