Subtract 24/27 from 28/7
1st number: 4 0/7, 2nd number: 24/27
28/7 - 24/27 is 28/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
28/7 = 28 × 27/7 × 27 = 756/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
24/27 = 24 × 7/27 × 7 = 168/189 - Subtract the two like fractions:
756/189 - 168/189 = 756 - 168/189 = 588/189 - After reducing the fraction, the answer is 28/9
- In mixed form: 31/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7-24/27 28/7-48/27 28/14-24/27 28/7-24/54 84/7-24/27 28/7-72/27 28/21-24/27 28/7-24/81 28/35-24/27 28/49-24/27