Add 2/5 and 15/27
2/5 + 15/27 is 43/45.
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,
2/5 = 2 × 27/5 × 27 = 54/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
15/27 = 15 × 5/27 × 5 = 75/135 - Add the two like fractions:
54/135 + 75/135 = 54 + 75/135 = 129/135 - 129/135 simplified gives 43/45
- So, 2/5 + 15/27 = 43/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5+15/27 2/5+30/27 2/10+15/27 2/5+15/54 6/5+15/27 2/5+45/27 2/15+15/27 2/5+15/81 10/5+15/27 2/5+75/27 2/25+15/27 14/5+15/27 2/35+15/27