Add 2/20 and 8/9
2/20 + 8/9 is 89/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
8/9 = 8 × 20/9 × 20 = 160/180 - Add the two like fractions:
18/180 + 160/180 = 18 + 160/180 = 178/180 - 178/180 simplified gives 89/90
- So, 2/20 + 8/9 = 89/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+8/9 2/20+16/9 2/40+8/9 2/20+8/18 6/20+8/9 2/20+24/9 2/60+8/9 2/20+8/27 10/20+8/9 2/20+40/9 2/20+8/45 14/20+8/9 2/20+56/9 2/20+8/63