Add 20/24 and 4/9
20/24 + 4/9 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
20/24 = 20 × 3/24 × 3 = 60/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
4/9 = 4 × 8/9 × 8 = 32/72 - Add the two like fractions:
60/72 + 32/72 = 60 + 32/72 = 92/72 - 92/72 simplified gives 23/18
- So, 20/24 + 4/9 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24+4/9 20/24+8/9 20/48+4/9 20/24+4/18 60/24+4/9 20/24+12/9 20/72+4/9 20/24+4/27 20/24+20/9 20/24+4/45 20/24+28/9 20/24+4/63