Add 20/9 and 48/20
1st number: 2 2/9, 2nd number: 2 8/20
20/9 + 48/20 is 208/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
20/9 = 20 × 20/9 × 20 = 400/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
48/20 = 48 × 9/20 × 9 = 432/180 - Add the two like fractions:
400/180 + 432/180 = 400 + 432/180 = 832/180 - 832/180 simplified gives 208/45
- So, 20/9 + 48/20 = 208/45
In mixed form: 428/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+48/20 20/9+96/20 20/18+48/20 20/9+48/40 60/9+48/20 20/27+48/20 20/9+48/60 20/45+48/20 20/63+48/20