Subtract 24/27 from 8/28
8/28 - 24/27 is -38/63.
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,
24/27 = 24 × 28/27 × 28 = 672/756 - Subtract the two like fractions:
216/756 - 672/756 = 216 - 672/756 = -456/756 - After reducing the fraction, the answer is -38/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28-24/27 8/28-48/27 8/56-24/27 8/28-24/54 24/28-24/27 8/28-72/27 8/84-24/27 8/28-24/81 40/28-24/27 56/28-24/27