Add 18/80 and 6/9
18/80 + 6/9 is 107/120.
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,
18/80 = 18 × 9/80 × 9 = 162/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
6/9 = 6 × 80/9 × 80 = 480/720 - Add the two like fractions:
162/720 + 480/720 = 162 + 480/720 = 642/720 - 642/720 simplified gives 107/120
- So, 18/80 + 6/9 = 107/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/80+6/9 18/80+12/9 18/80+6/18 54/80+6/9 18/80+18/9 18/80+6/27 90/80+6/9 18/80+30/9 18/80+6/45 18/80+42/9 18/80+6/63