Add 15/16 and 2/5
15/16 + 2/5 is 107/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
2/5 = 2 × 16/5 × 16 = 32/80 - Add the two like fractions:
75/80 + 32/80 = 75 + 32/80 = 107/80 - So, 15/16 + 2/5 = 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: 30/16+2/5 15/16+4/5 15/32+2/5 15/16+2/10 45/16+2/5 15/16+6/5 15/48+2/5 15/16+2/15 75/16+2/5 15/16+10/5 15/80+2/5 15/16+2/25 15/16+14/5 15/16+2/35