Add 2/5 and 15/16
2/5 + 15/16 is 107/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
2/5 = 2 × 16/5 × 16 = 32/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80 - Add the two like fractions:
32/80 + 75/80 = 32 + 75/80 = 107/80 - So, 2/5 + 15/16 = 107/80
In mixed form: 127/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5+15/16 2/5+30/16 2/10+15/16 2/5+15/32 6/5+15/16 2/5+45/16 2/15+15/16 2/5+15/48 10/5+15/16 2/5+75/16 2/25+15/16 2/5+15/80 14/5+15/16 2/35+15/16