Add 20/80 and 24/9
1st number: 20/80, 2nd number: 2 6/9
20/80 + 24/9 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
24/9 = 24 × 80/9 × 80 = 1920/720 - Add the two like fractions:
180/720 + 1920/720 = 180 + 1920/720 = 2100/720 - 2100/720 simplified gives 35/12
- So, 20/80 + 24/9 = 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: 40/80+24/9 20/80+48/9 20/80+24/18 60/80+24/9 20/80+72/9 20/80+24/27 20/80+24/45 20/80+24/63