Subtract 3/54 from 56/15
1st number: 3 11/15, 2nd number: 3/54
56/15 - 3/54 is 331/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
56/15 = 56 × 18/15 × 18 = 1008/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Subtract the two like fractions:
1008/270 - 15/270 = 1008 - 15/270 = 993/270 - After reducing the fraction, the answer is 331/90
- In mixed form: 361/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15-6/54 56/30-3/54 56/15-9/54 56/45-3/54 56/15-15/54 56/75-3/54 56/15-21/54