Add 18/20 and 2/8
18/20 + 2/8 is 23/20.
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,
2/8 = 2 × 5/8 × 5 = 10/40 - Add the two like fractions:
36/40 + 10/40 = 36 + 10/40 = 46/40 - 46/40 simplified gives 23/20
- So, 18/20 + 2/8 = 23/20
In mixed form: 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+2/8 18/20+4/8 18/40+2/8 18/20+2/16 54/20+2/8 18/20+6/8 18/60+2/8 18/20+2/24 90/20+2/8 18/20+10/8 18/20+2/40 18/20+14/8 18/20+2/56