Add 3/18 and 3/80
3/18 + 3/80 is 49/240.
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,
3/80 = 3 × 9/80 × 9 = 27/720 - Add the two like fractions:
120/720 + 27/720 = 120 + 27/720 = 147/720 - 147/720 simplified gives 49/240
- So, 3/18 + 3/80 = 49/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+3/80 3/18+6/80 3/36+3/80 9/18+3/80 3/18+9/80 3/54+3/80 15/18+3/80 3/18+15/80 3/90+3/80 21/18+3/80 3/18+21/80