Add 28/84 and 3/27
28/84 + 3/27 is 4/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
28/84 = 28 × 9/84 × 9 = 252/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
3/27 = 3 × 28/27 × 28 = 84/756 - Add the two like fractions:
252/756 + 84/756 = 252 + 84/756 = 336/756 - 336/756 simplified gives 4/9
- So, 28/84 + 3/27 = 4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+3/27 28/84+6/27 28/84+3/54 28/84+9/27 28/84+3/81 28/84+15/27 28/84+21/27