Add 20/45 and 60/9
1st number: 20/45, 2nd number: 6 6/9
20/45 + 60/9 is 64/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
60/9 = 60 × 5/9 × 5 = 300/45 - Add the two like fractions:
20/45 + 300/45 = 20 + 300/45 = 320/45 - 320/45 simplified gives 64/9
- So, 20/45 + 60/9 = 64/9
In mixed form: 71/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/45+60/9 20/90+60/9 20/45+60/18 60/45+60/9 20/45+60/27 20/45+60/45 20/45+60/63