Add 2/9 and 4/20
2/9 + 4/20 is 19/45.
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,
2/9 = 2 × 20/9 × 20 = 40/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180 - Add the two like fractions:
40/180 + 36/180 = 40 + 36/180 = 76/180 - 76/180 simplified gives 19/45
- So, 2/9 + 4/20 = 19/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9+4/20 2/9+8/20 2/18+4/20 2/9+4/40 6/9+4/20 2/9+12/20 2/27+4/20 2/9+4/60 10/9+4/20 2/45+4/20 14/9+4/20 2/9+28/20 2/63+4/20