Subtract 5/10 from 90/7
1st number: 12 6/7, 2nd number: 5/10
90/7 - 5/10 is 173/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
90/7 = 90 × 10/7 × 10 = 900/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
5/10 = 5 × 7/10 × 7 = 35/70 - Subtract the two like fractions:
900/70 - 35/70 = 900 - 35/70 = 865/70 - After reducing the fraction, the answer is 173/14
- In mixed form: 125/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-5/10 90/7-5/20 90/7-15/10 90/21-5/10 90/7-5/30 90/7-25/10 90/35-5/10 90/7-5/50 90/7-35/10 90/49-5/10 90/7-5/70