Add 28/54 and 15/9
1st number: 28/54, 2nd number: 1 6/9
28/54 + 15/9 is 59/27.
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,
15/9 = 15 × 6/9 × 6 = 90/54 - Add the two like fractions:
28/54 + 90/54 = 28 + 90/54 = 118/54 - 118/54 simplified gives 59/27
- So, 28/54 + 15/9 = 59/27
In mixed form: 25/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+15/9 28/54+30/9 28/54+15/18 84/54+15/9 28/54+45/9 28/54+15/27 28/54+75/9 28/54+15/45 28/54+15/63