Add 2/5 and 15/28
2/5 + 15/28 is 131/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
2/5 = 2 × 28/5 × 28 = 56/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Add the two like fractions:
56/140 + 75/140 = 56 + 75/140 = 131/140 - So, 2/5 + 15/28 = 131/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5+15/28 2/5+30/28 2/10+15/28 2/5+15/56 6/5+15/28 2/5+45/28 2/15+15/28 2/5+15/84 10/5+15/28 2/5+75/28 2/25+15/28 14/5+15/28 2/35+15/28