Subtract 45/8 from 56/10
1st number: 5 6/10, 2nd number: 5 5/8
56/10 - 45/8 is -1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
56/10 = 56 × 4/10 × 4 = 224/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
45/8 = 45 × 5/8 × 5 = 225/40 - Subtract the two like fractions:
224/40 - 225/40 = 224 - 225/40 = -1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-90/8 56/20-45/8 56/10-45/16 56/30-45/8 56/10-45/24 56/50-45/8 56/10-45/40 56/70-45/8 56/10-45/56