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