Add 20/9 and 90/5
1st number: 2 2/9, 2nd number: 18 0/5
20/9 + 90/5 is 182/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
20/9 = 20 × 5/9 × 5 = 100/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
90/5 = 90 × 9/5 × 9 = 810/45 - Add the two like fractions:
100/45 + 810/45 = 100 + 810/45 = 910/45 - 910/45 simplified gives 182/9
- So, 20/9 + 90/5 = 182/9
In mixed form: 202/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+90/5 20/18+90/5 20/9+90/10 60/9+90/5 20/27+90/5 20/9+90/15 20/45+90/5 20/9+90/25 20/63+90/5 20/9+90/35