Subtract 1/15 from 30/9
1st number: 3 3/9, 2nd number: 1/15
30/9 - 1/15 is 49/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
30/9 = 30 × 5/9 × 5 = 150/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
1/15 = 1 × 3/15 × 3 = 3/45 - Subtract the two like fractions:
150/45 - 3/45 = 150 - 3/45 = 147/45 - After reducing the fraction, the answer is 49/15
- In mixed form: 34/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-1/15 30/9-2/15 30/18-1/15 30/9-1/30 90/9-1/15 30/9-3/15 30/27-1/15 30/9-1/45 30/9-5/15 30/45-1/15 30/9-1/75 30/9-7/15 30/63-1/15