Subtract 27/54 from 27/12
1st number: 2 3/12, 2nd number: 27/54
27/12 - 27/54 is 7/4.
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,
27/54 = 27 × 2/54 × 2 = 54/108 - Subtract the two like fractions:
243/108 - 54/108 = 243 - 54/108 = 189/108 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-27/54 27/24-27/54 81/12-27/54 27/12-81/54 27/36-27/54 27/60-27/54 27/84-27/54