Subtract 10/90 from 30/3
1st number: 10 0/3, 2nd number: 10/90
30/3 - 10/90 is 89/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
30/3 = 30 × 30/3 × 30 = 900/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Subtract the two like fractions:
900/90 - 10/90 = 900 - 10/90 = 890/90 - After reducing the fraction, the answer is 89/9
- In mixed form: 98/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-10/90 30/3-20/90 30/6-10/90 90/3-10/90 30/3-30/90 30/9-10/90 30/3-50/90 30/15-10/90 30/3-70/90 30/21-10/90