Subtract 80/5 from 15/10
1st number: 1 5/10, 2nd number: 16 0/5
15/10 - 80/5 is -29/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
15/10 = 15 × 1/10 × 1 = 15/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
80/5 = 80 × 2/5 × 2 = 160/10 - Subtract the two like fractions:
15/10 - 160/10 = 15 - 160/10 = -145/10 - After reducing the fraction, the answer is -29/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10-80/5 15/20-80/5 15/10-80/10 45/10-80/5 15/30-80/5 15/10-80/15 75/10-80/5 15/50-80/5 15/10-80/25 15/70-80/5 15/10-80/35