Add 20/10 and 28/9
1st number: 2 0/10, 2nd number: 3 1/9
20/10 + 28/9 is 46/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
20/10 = 20 × 9/10 × 9 = 180/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
28/9 = 28 × 10/9 × 10 = 280/90 - Add the two like fractions:
180/90 + 280/90 = 180 + 280/90 = 460/90 - 460/90 simplified gives 46/9
- So, 20/10 + 28/9 = 46/9
In mixed form: 51/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+28/9 20/10+56/9 20/10+28/18 60/10+28/9 20/10+84/9 20/30+28/9 20/10+28/27 20/50+28/9 20/10+28/45 20/70+28/9 20/10+28/63