Add 28/56 and 30/27
1st number: 28/56, 2nd number: 1 3/27
28/56 + 30/27 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 27 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
28/56 = 28 × 27/56 × 27 = 756/1512 - Likewise, for the 2nd fraction, since 27 × 56 = 1512,
30/27 = 30 × 56/27 × 56 = 1680/1512 - Add the two like fractions:
756/1512 + 1680/1512 = 756 + 1680/1512 = 2436/1512 - 2436/1512 simplified gives 29/18
- So, 28/56 + 30/27 = 29/18
In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56+60/27 28/56+30/54 84/56+30/27 28/56+90/27 28/56+30/81