Add 2/20 and 16/18
2/20 + 16/18 is 89/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 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 18 × 10 = 180,
16/18 = 16 × 10/18 × 10 = 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 + 16/18 = 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+16/18 2/20+32/18 2/40+16/18 2/20+16/36 6/20+16/18 2/20+48/18 2/60+16/18 2/20+16/54 10/20+16/18 2/20+80/18 2/20+16/90 14/20+16/18