Subtract 35/15 from 90/10
1st number: 9 0/10, 2nd number: 2 5/15
90/10 - 35/15 is 20/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
90/10 = 90 × 3/10 × 3 = 270/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
35/15 = 35 × 2/15 × 2 = 70/30 - Subtract the two like fractions:
270/30 - 70/30 = 270 - 70/30 = 200/30 - After reducing the fraction, the answer is 20/3
- In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-70/15 90/20-35/15 90/10-35/30 90/30-35/15 90/10-35/45 90/50-35/15 90/10-35/75 90/70-35/15