Subtract 8/27 from 28/20
1st number: 1 8/20, 2nd number: 8/27
28/20 - 8/27 is 149/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
28/20 = 28 × 27/20 × 27 = 756/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
8/27 = 8 × 20/27 × 20 = 160/540 - Subtract the two like fractions:
756/540 - 160/540 = 756 - 160/540 = 596/540 - After reducing the fraction, the answer is 149/135
- In mixed form: 114/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20-8/27 28/20-16/27 28/40-8/27 28/20-8/54 84/20-8/27 28/20-24/27 28/60-8/27 28/20-8/81 28/20-40/27 28/20-56/27