Subtract 6/9 from 28/12
1st number: 2 4/12, 2nd number: 6/9
28/12 - 6/9 is 5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
28/12 = 28 × 3/12 × 3 = 84/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
6/9 = 6 × 4/9 × 4 = 24/36 - Subtract the two like fractions:
84/36 - 24/36 = 84 - 24/36 = 60/36 - After reducing the fraction, the answer is 5/3
- In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12-6/9 28/12-12/9 28/24-6/9 28/12-6/18 84/12-6/9 28/12-18/9 28/36-6/9 28/12-6/27 28/12-30/9 28/60-6/9 28/12-6/45 28/12-42/9 28/84-6/9 28/12-6/63