Add 84/28 and 18/27
1st number: 3 0/28, 2nd number: 18/27
84/28 + 18/27 is 11/3.
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,
84/28 = 84 × 27/28 × 27 = 2268/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
18/27 = 18 × 28/27 × 28 = 504/756 - Add the two like fractions:
2268/756 + 504/756 = 2268 + 504/756 = 2772/756 - 2772/756 simplified gives 11/3
- So, 84/28 + 18/27 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+36/27 84/56+18/27 84/28+18/54 84/28+54/27 84/28+18/81 84/28+90/27