Subtract 20/25 from 30/9
1st number: 3 3/9, 2nd number: 20/25
30/9 - 20/25 is 38/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
30/9 = 30 × 25/9 × 25 = 750/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
20/25 = 20 × 9/25 × 9 = 180/225 - Subtract the two like fractions:
750/225 - 180/225 = 750 - 180/225 = 570/225 - After reducing the fraction, the answer is 38/15
- In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-20/25 30/9-40/25 30/18-20/25 30/9-20/50 90/9-20/25 30/9-60/25 30/27-20/25 30/9-20/75 30/45-20/25 30/63-20/25