Subtract 12/30 from 30/9
1st number: 3 3/9, 2nd number: 12/30
30/9 - 12/30 is 44/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
12/30 = 12 × 3/30 × 3 = 36/90 - Subtract the two like fractions:
300/90 - 36/90 = 300 - 36/90 = 264/90 - After reducing the fraction, the answer is 44/15
- In mixed form: 214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-12/30 30/9-24/30 30/18-12/30 30/9-12/60 90/9-12/30 30/9-36/30 30/27-12/30 30/9-12/90 30/9-60/30 30/45-12/30 30/9-84/30 30/63-12/30