Subtract 15/27 from 54/12
1st number: 4 6/12, 2nd number: 15/27
54/12 - 15/27 is 71/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
54/12 = 54 × 9/12 × 9 = 486/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
15/27 = 15 × 4/27 × 4 = 60/108 - Subtract the two like fractions:
486/108 - 60/108 = 486 - 60/108 = 426/108 - After reducing the fraction, the answer is 71/18
- In mixed form: 317/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-30/27 54/24-15/27 54/12-15/54 54/12-45/27 54/36-15/27 54/12-15/81 54/12-75/27 54/60-15/27 54/84-15/27