Add 8/9 and 2/20
8/9 + 2/20 is 89/90.
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,
8/9 = 8 × 20/9 × 20 = 160/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Add the two like fractions:
160/180 + 18/180 = 160 + 18/180 = 178/180 - 178/180 simplified gives 89/90
- So, 8/9 + 2/20 = 89/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+2/20 8/9+4/20 8/18+2/20 8/9+2/40 24/9+2/20 8/9+6/20 8/27+2/20 8/9+2/60 40/9+2/20 8/9+10/20 8/45+2/20 56/9+2/20 8/9+14/20 8/63+2/20