Add 28/54 and 7/9
28/54 + 7/9 is 35/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 9 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
28/54 = 28 × 1/54 × 1 = 28/54 - Likewise, for the 2nd fraction, since 9 × 6 = 54,
7/9 = 7 × 6/9 × 6 = 42/54 - Add the two like fractions:
28/54 + 42/54 = 28 + 42/54 = 70/54 - 70/54 simplified gives 35/27
- So, 28/54 + 7/9 = 35/27
In mixed form: 18/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+7/9 28/54+14/9 28/54+7/18 84/54+7/9 28/54+21/9 28/54+7/27 28/54+35/9 28/54+7/45 28/54+49/9 28/54+7/63