Add 40/9 and 20/15
1st number: 4 4/9, 2nd number: 1 5/15
40/9 + 20/15 is 52/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
40/9 = 40 × 5/9 × 5 = 200/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
20/15 = 20 × 3/15 × 3 = 60/45 - Add the two like fractions:
200/45 + 60/45 = 200 + 60/45 = 260/45 - 260/45 simplified gives 52/9
- So, 40/9 + 20/15 = 52/9
In mixed form: 57/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9+20/15 40/9+40/15 40/18+20/15 40/9+20/30 40/9+60/15 40/27+20/15 40/9+20/45 40/45+20/15 40/9+20/75 40/63+20/15