Subtract 12/54 from 45/6
1st number: 7 3/6, 2nd number: 12/54
45/6 - 12/54 is 131/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
45/6 = 45 × 9/6 × 9 = 405/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
12/54 = 12 × 1/54 × 1 = 12/54 - Subtract the two like fractions:
405/54 - 12/54 = 405 - 12/54 = 393/54 - After reducing the fraction, the answer is 131/18
- In mixed form: 75/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-12/54 45/6-24/54 45/12-12/54 45/6-36/54 45/18-12/54 45/6-60/54 45/30-12/54 45/6-84/54 45/42-12/54