Add 20/3 and 16/90
1st number: 6 2/3, 2nd number: 16/90
20/3 + 16/90 is 308/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
20/3 = 20 × 30/3 × 30 = 600/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
16/90 = 16 × 1/90 × 1 = 16/90 - Add the two like fractions:
600/90 + 16/90 = 600 + 16/90 = 616/90 - 616/90 simplified gives 308/45
- So, 20/3 + 16/90 = 308/45
In mixed form: 638/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3+16/90 20/3+32/90 20/6+16/90 60/3+16/90 20/3+48/90 20/9+16/90 20/3+80/90 20/15+16/90 20/21+16/90