Add 5/18 and 9/80
5/18 + 9/80 is 281/720.
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,
5/18 = 5 × 40/18 × 40 = 200/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Add the two like fractions:
200/720 + 81/720 = 200 + 81/720 = 281/720 - So, 5/18 + 9/80 = 281/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+9/80 5/18+18/80 5/36+9/80 15/18+9/80 5/18+27/80 5/54+9/80 25/18+9/80 5/18+45/80 5/90+9/80 35/18+9/80 5/18+63/80