Add 40/16 and 2/5
1st number: 2 8/16, 2nd number: 2/5
40/16 + 2/5 is 29/10.
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,
40/16 = 40 × 5/16 × 5 = 200/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
2/5 = 2 × 16/5 × 16 = 32/80 - Add the two like fractions:
200/80 + 32/80 = 200 + 32/80 = 232/80 - 232/80 simplified gives 29/10
- So, 40/16 + 2/5 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+2/5 40/16+4/5 40/32+2/5 40/16+2/10 40/16+6/5 40/48+2/5 40/16+2/15 40/16+10/5 40/80+2/5 40/16+2/25 40/16+14/5 40/16+2/35