Subtract 9/54 from 45/12
1st number: 3 9/12, 2nd number: 9/54
45/12 - 9/54 is 43/12.
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,
45/12 = 45 × 9/12 × 9 = 405/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
9/54 = 9 × 2/54 × 2 = 18/108 - Subtract the two like fractions:
405/108 - 18/108 = 405 - 18/108 = 387/108 - After reducing the fraction, the answer is 43/12
- In mixed form: 37/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12-9/54 45/12-18/54 45/24-9/54 45/12-27/54 45/36-9/54 45/12-45/54 45/60-9/54 45/12-63/54 45/84-9/54