Add 28/45 and 84/27
1st number: 28/45, 2nd number: 3 3/27
28/45 + 84/27 is 56/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
28/45 = 28 × 3/45 × 3 = 84/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
84/27 = 84 × 5/27 × 5 = 420/135 - Add the two like fractions:
84/135 + 420/135 = 84 + 420/135 = 504/135 - 504/135 simplified gives 56/15
- So, 28/45 + 84/27 = 56/15
In mixed form: 311/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+84/27 28/90+84/27 28/45+84/54 84/45+84/27 28/45+84/81