Subtract 50/7 from 15/10
1st number: 1 5/10, 2nd number: 7 1/7
15/10 - 50/7 is -79/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
50/7 = 50 × 10/7 × 10 = 500/70 - Subtract the two like fractions:
105/70 - 500/70 = 105 - 500/70 = -395/70 - After reducing the fraction, the answer is -79/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10-50/7 15/20-50/7 15/10-50/14 45/10-50/7 15/30-50/7 15/10-50/21 75/10-50/7 15/50-50/7 15/10-50/35 15/70-50/7 15/10-50/49