Subtract 75/10 from 15/5
1st number: 3 0/5, 2nd number: 7 5/10
15/5 - 75/10 is -9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
15/5 = 15 × 2/5 × 2 = 30/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
75/10 = 75 × 1/10 × 1 = 75/10 - Subtract the two like fractions:
30/10 - 75/10 = 30 - 75/10 = -45/10 - After reducing the fraction, the answer is -9/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-75/10 15/10-75/10 15/5-75/20 45/5-75/10 15/5-75/30 75/5-75/10 15/25-75/10 15/5-75/50 15/35-75/10 15/5-75/70