Add 1/28 and 28/27
1st number: 1/28, 2nd number: 1 1/27
1/28 + 28/27 is 811/756.
Steps for adding 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,
1/28 = 1 × 27/28 × 27 = 27/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
28/27 = 28 × 28/27 × 28 = 784/756 - Add the two like fractions:
27/756 + 784/756 = 27 + 784/756 = 811/756 - So, 1/28 + 28/27 = 811/756
In mixed form: 155/756
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+28/27 1/28+56/27 1/56+28/27 1/28+28/54 3/28+28/27 1/28+84/27 1/84+28/27 1/28+28/81 5/28+28/27 7/28+28/27