Add 20/8 and 6/18
1st number: 2 4/8, 2nd number: 6/18
20/8 + 6/18 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
20/8 = 20 × 9/8 × 9 = 180/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
6/18 = 6 × 4/18 × 4 = 24/72 - Add the two like fractions:
180/72 + 24/72 = 180 + 24/72 = 204/72 - 204/72 simplified gives 17/6
- So, 20/8 + 6/18 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+6/18 20/8+12/18 20/16+6/18 20/8+6/36 60/8+6/18 20/24+6/18 20/8+6/54 20/8+30/18 20/40+6/18 20/8+6/90 20/8+42/18 20/56+6/18