Add 20/6 and 40/90
1st number: 3 2/6, 2nd number: 40/90
20/6 + 40/90 is 34/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
20/6 = 20 × 15/6 × 15 = 300/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Add the two like fractions:
300/90 + 40/90 = 300 + 40/90 = 340/90 - 340/90 simplified gives 34/9
- So, 20/6 + 40/90 = 34/9
In mixed form: 37/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6+40/90 20/6+80/90 20/12+40/90 60/6+40/90 20/18+40/90 20/30+40/90 20/42+40/90