Add 2/20 and 45/9
1st number: 2/20, 2nd number: 5 0/9
2/20 + 45/9 is 51/10.
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,
45/9 = 45 × 20/9 × 20 = 900/180 - Add the two like fractions:
18/180 + 900/180 = 18 + 900/180 = 918/180 - 918/180 simplified gives 51/10
- So, 2/20 + 45/9 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+45/9 2/20+90/9 2/40+45/9 2/20+45/18 6/20+45/9 2/60+45/9 2/20+45/27 10/20+45/9 14/20+45/9 2/20+45/63