Add 3/18 and 9/80
3/18 + 9/80 is 67/240.
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,
3/18 = 3 × 40/18 × 40 = 120/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Add the two like fractions:
120/720 + 81/720 = 120 + 81/720 = 201/720 - 201/720 simplified gives 67/240
- So, 3/18 + 9/80 = 67/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+9/80 3/18+18/80 3/36+9/80 9/18+9/80 3/18+27/80 3/54+9/80 15/18+9/80 3/18+45/80 3/90+9/80 21/18+9/80 3/18+63/80