Add 45/5 and 20/9
1st number: 9 0/5, 2nd number: 2 2/9
45/5 + 20/9 is 101/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
45/5 = 45 × 9/5 × 9 = 405/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
20/9 = 20 × 5/9 × 5 = 100/45 - Add the two like fractions:
405/45 + 100/45 = 405 + 100/45 = 505/45 - 505/45 simplified gives 101/9
- So, 45/5 + 20/9 = 101/9
In mixed form: 112/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+20/9 45/5+40/9 45/10+20/9 45/5+20/18 45/5+60/9 45/15+20/9 45/5+20/27 45/25+20/9 45/5+20/45 45/35+20/9 45/5+20/63