Add 15/5 and 28/27
1st number: 3 0/5, 2nd number: 1 1/27
15/5 + 28/27 is 109/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
15/5 = 15 × 27/5 × 27 = 405/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
28/27 = 28 × 5/27 × 5 = 140/135 - Add the two like fractions:
405/135 + 140/135 = 405 + 140/135 = 545/135 - 545/135 simplified gives 109/27
- So, 15/5 + 28/27 = 109/27
In mixed form: 41/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+28/27 15/5+56/27 15/10+28/27 15/5+28/54 45/5+28/27 15/5+84/27 15/5+28/81 75/5+28/27 15/25+28/27 15/35+28/27