Subtract 28/12 from 5/9
1st number: 5/9, 2nd number: 2 4/12
5/9 - 28/12 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
5/9 = 5 × 4/9 × 4 = 20/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
28/12 = 28 × 3/12 × 3 = 84/36 - Subtract the two like fractions:
20/36 - 84/36 = 20 - 84/36 = -64/36 - After reducing the fraction, the answer is -16/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9-28/12 5/9-56/12 5/18-28/12 5/9-28/24 15/9-28/12 5/9-84/12 5/27-28/12 5/9-28/36 25/9-28/12 5/45-28/12 5/9-28/60 35/9-28/12 5/63-28/12 5/9-28/84