Add 2/9 and 15/40
2/9 + 15/40 is 43/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
2/9 = 2 × 40/9 × 40 = 80/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
15/40 = 15 × 9/40 × 9 = 135/360 - Add the two like fractions:
80/360 + 135/360 = 80 + 135/360 = 215/360 - 215/360 simplified gives 43/72
- So, 2/9 + 15/40 = 43/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9+15/40 2/9+30/40 2/18+15/40 2/9+15/80 6/9+15/40 2/9+45/40 2/27+15/40 10/9+15/40 2/9+75/40 2/45+15/40 14/9+15/40 2/63+15/40