Add 28/54 and 7/27
28/54 + 7/27 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 27 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 27 × 2 = 54,
7/27 = 7 × 2/27 × 2 = 14/54 - Add the two like fractions:
28/54 + 14/54 = 28 + 14/54 = 42/54 - 42/54 simplified gives 7/9
- So, 28/54 + 7/27 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+7/27 28/54+14/27 28/54+7/54 84/54+7/27 28/54+21/27 28/54+7/81 28/54+35/27 28/54+49/27