Add 20/90 and 35/9
1st number: 20/90, 2nd number: 3 8/9
20/90 + 35/9 is 37/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
35/9 = 35 × 10/9 × 10 = 350/90 - Add the two like fractions:
20/90 + 350/90 = 20 + 350/90 = 370/90 - 370/90 simplified gives 37/9
- So, 20/90 + 35/9 = 37/9
In mixed form: 41/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90+35/9 20/90+70/9 20/90+35/18 60/90+35/9 20/90+35/27 20/90+35/45 20/90+35/63