Subtract 15/8 from 5/10
1st number: 5/10, 2nd number: 1 7/8
5/10 - 15/8 is -11/8.
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,
5/10 = 5 × 4/10 × 4 = 20/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
15/8 = 15 × 5/8 × 5 = 75/40 - Subtract the two like fractions:
20/40 - 75/40 = 20 - 75/40 = -55/40 - After reducing the fraction, the answer is -11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10-30/8 5/20-15/8 5/10-15/16 15/10-15/8 5/10-45/8 5/30-15/8 5/10-15/24 25/10-15/8 5/10-75/8 5/50-15/8 5/10-15/40 35/10-15/8 5/70-15/8 5/10-15/56