Subtract 8/56 from 15/54
15/54 - 8/56 is 17/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 54 × 28 = 1512,
15/54 = 15 × 28/54 × 28 = 420/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
8/56 = 8 × 27/56 × 27 = 216/1512 - Subtract the two like fractions:
420/1512 - 216/1512 = 420 - 216/1512 = 204/1512 - After reducing the fraction, the answer is 17/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/54-8/56 15/54-16/56 45/54-8/56 15/54-24/56 75/54-8/56 15/54-40/56