Subtract 15/27 from 28/3
1st number: 9 1/3, 2nd number: 15/27
28/3 - 15/27 is 79/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 3 × 9 = 27,
28/3 = 28 × 9/3 × 9 = 252/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
15/27 = 15 × 1/27 × 1 = 15/27 - Subtract the two like fractions:
252/27 - 15/27 = 252 - 15/27 = 237/27 - After reducing the fraction, the answer is 79/9
- In mixed form: 87/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-15/27 28/3-30/27 28/6-15/27 28/3-15/54 84/3-15/27 28/3-45/27 28/9-15/27 28/3-15/81 28/3-75/27 28/15-15/27 28/21-15/27