Subtract 30/35 from 90/9
1st number: 10 0/9, 2nd number: 30/35
90/9 - 30/35 is 64/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 9 × 35 = 315,
90/9 = 90 × 35/9 × 35 = 3150/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
30/35 = 30 × 9/35 × 9 = 270/315 - Subtract the two like fractions:
3150/315 - 270/315 = 3150 - 270/315 = 2880/315 - After reducing the fraction, the answer is 64/7
- In mixed form: 91/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-60/35 90/18-30/35 90/9-30/70 90/9-90/35 90/27-30/35 90/45-30/35 90/63-30/35