Subtract 35/80 from 90/10
1st number: 9 0/10, 2nd number: 35/80
90/10 - 35/80 is 137/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
90/10 = 90 × 8/10 × 8 = 720/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
35/80 = 35 × 1/80 × 1 = 35/80 - Subtract the two like fractions:
720/80 - 35/80 = 720 - 35/80 = 685/80 - After reducing the fraction, the answer is 137/16
- In mixed form: 89/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-70/80 90/20-35/80 90/30-35/80 90/50-35/80 90/70-35/80