Subtract 90/27 from 14/28
1st number: 14/28, 2nd number: 3 9/27
14/28 - 90/27 is -17/6.
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,
14/28 = 14 × 27/28 × 27 = 378/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
90/27 = 90 × 28/27 × 28 = 2520/756 - Subtract the two like fractions:
378/756 - 2520/756 = 378 - 2520/756 = -2142/756 - After reducing the fraction, the answer is -17/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/56-90/27 14/28-90/54 42/28-90/27 14/84-90/27 14/28-90/81 70/28-90/27 98/28-90/27