Add 3/9 and 24/20
1st number: 3/9, 2nd number: 1 4/20
3/9 + 24/20 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
3/9 = 3 × 20/9 × 20 = 60/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
24/20 = 24 × 9/20 × 9 = 216/180 - Add the two like fractions:
60/180 + 216/180 = 60 + 216/180 = 276/180 - 276/180 simplified gives 23/15
- So, 3/9 + 24/20 = 23/15
In mixed form: 18/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9+24/20 3/9+48/20 3/18+24/20 3/9+24/40 3/9+72/20 3/27+24/20 3/9+24/60 15/9+24/20 3/45+24/20 21/9+24/20 3/63+24/20