Subtract 8/54 from 27/12
1st number: 2 3/12, 2nd number: 8/54
27/12 - 8/54 is 227/108.
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,
27/12 = 27 × 9/12 × 9 = 243/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
8/54 = 8 × 2/54 × 2 = 16/108 - Subtract the two like fractions:
243/108 - 16/108 = 243 - 16/108 = 227/108 - In mixed form: 211/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-8/54 27/12-16/54 27/24-8/54 81/12-8/54 27/12-24/54 27/36-8/54 27/12-40/54 27/60-8/54 27/12-56/54 27/84-8/54