Add 2/18 and 42/80
2/18 + 42/80 is 229/360.
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,
2/18 = 2 × 40/18 × 40 = 80/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
42/80 = 42 × 9/80 × 9 = 378/720 - Add the two like fractions:
80/720 + 378/720 = 80 + 378/720 = 458/720 - 458/720 simplified gives 229/360
- So, 2/18 + 42/80 = 229/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18+42/80 2/18+84/80 2/36+42/80 6/18+42/80 2/54+42/80 10/18+42/80 2/90+42/80 14/18+42/80