Add 5/9 and 4/20
5/9 + 4/20 is 34/45.
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,
5/9 = 5 × 20/9 × 20 = 100/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180 - Add the two like fractions:
100/180 + 36/180 = 100 + 36/180 = 136/180 - 136/180 simplified gives 34/45
- So, 5/9 + 4/20 = 34/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9+4/20 5/9+8/20 5/18+4/20 5/9+4/40 15/9+4/20 5/9+12/20 5/27+4/20 5/9+4/60 25/9+4/20 5/45+4/20 35/9+4/20 5/9+28/20 5/63+4/20