Add 1/18 and 15/80
1/18 + 15/80 is 35/144.
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,
1/18 = 1 × 40/18 × 40 = 40/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
15/80 = 15 × 9/80 × 9 = 135/720 - Add the two like fractions:
40/720 + 135/720 = 40 + 135/720 = 175/720 - 175/720 simplified gives 35/144
- So, 1/18 + 15/80 = 35/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+15/80 1/18+30/80 1/36+15/80 3/18+15/80 1/18+45/80 1/54+15/80 5/18+15/80 1/18+75/80 1/90+15/80 7/18+15/80