Add 18/20 and 6/8
18/20 + 6/8 is 33/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
18/20 = 18 × 2/20 × 2 = 36/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Add the two like fractions:
36/40 + 30/40 = 36 + 30/40 = 66/40 - 66/40 simplified gives 33/20
- So, 18/20 + 6/8 = 33/20
In mixed form: 113/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+6/8 18/20+12/8 18/40+6/8 18/20+6/16 54/20+6/8 18/20+18/8 18/60+6/8 18/20+6/24 90/20+6/8 18/20+30/8 18/20+6/40 18/20+42/8 18/20+6/56