Add 9/18 and 9/80
9/18 + 9/80 is 49/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
9/18 = 9 × 40/18 × 40 = 360/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Add the two like fractions:
360/720 + 81/720 = 360 + 81/720 = 441/720 - 441/720 simplified gives 49/80
- So, 9/18 + 9/80 = 49/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+18/80 9/36+9/80 27/18+9/80 9/18+27/80 9/54+9/80 45/18+9/80 9/18+45/80 9/90+9/80 63/18+9/80 9/18+63/80