Subtract 75/27 from 8/28
1st number: 8/28, 2nd number: 2 21/27
8/28 - 75/27 is -157/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
8/28 = 8 × 27/28 × 27 = 216/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
75/27 = 75 × 28/27 × 28 = 2100/756 - Subtract the two like fractions:
216/756 - 2100/756 = 216 - 2100/756 = -1884/756 - After reducing the fraction, the answer is -157/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28-75/27 8/56-75/27 8/28-75/54 24/28-75/27 8/84-75/27 8/28-75/81 40/28-75/27 56/28-75/27