Add 50/72 and 20/9
1st number: 50/72, 2nd number: 2 2/9
50/72 + 20/9 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
50/72 = 50 × 1/72 × 1 = 50/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
20/9 = 20 × 8/9 × 8 = 160/72 - Add the two like fractions:
50/72 + 160/72 = 50 + 160/72 = 210/72 - 210/72 simplified gives 35/12
- So, 50/72 + 20/9 = 35/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+40/9 50/72+20/18 50/72+60/9 50/72+20/27 50/72+20/45 50/72+20/63