Subtract 5/7 from 15/5
1st number: 3 0/5, 2nd number: 5/7
15/5 - 5/7 is 16/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
15/5 = 15 × 7/5 × 7 = 105/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
5/7 = 5 × 5/7 × 5 = 25/35 - Subtract the two like fractions:
105/35 - 25/35 = 105 - 25/35 = 80/35 - After reducing the fraction, the answer is 16/7
- In mixed form: 22/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-5/7 15/5-10/7 15/10-5/7 15/5-5/14 45/5-5/7 15/5-15/7 15/5-5/21 75/5-5/7 15/5-25/7 15/25-5/7 15/5-5/35 15/5-35/7 15/35-5/7 15/5-5/49