Subtract 16/5 from 15/56
1st number: 15/56, 2nd number: 3 1/5
15/56 - 16/5 is -821/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
16/5 = 16 × 56/5 × 56 = 896/280 - Subtract the two like fractions:
75/280 - 896/280 = 75 - 896/280 = -821/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56-16/5 15/56-32/5 15/56-16/10 45/56-16/5 15/56-48/5 15/56-16/15 75/56-16/5 15/56-80/5 15/56-16/25 15/56-16/35