Add 48/20 and 20/9
1st number: 2 8/20, 2nd number: 2 2/9
48/20 + 20/9 is 208/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
48/20 = 48 × 9/20 × 9 = 432/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
20/9 = 20 × 20/9 × 20 = 400/180 - Add the two like fractions:
432/180 + 400/180 = 432 + 400/180 = 832/180 - 832/180 simplified gives 208/45
- So, 48/20 + 20/9 = 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: 96/20+20/9 48/20+40/9 48/40+20/9 48/20+20/18 48/20+60/9 48/60+20/9 48/20+20/27 48/20+20/45 48/20+20/63