Add 18/10 and 2/20
1st number: 1 8/10, 2nd number: 2/20
18/10 + 2/20 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
18/10 = 18 × 2/10 × 2 = 36/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
2/20 = 2 × 1/20 × 1 = 2/20 - Add the two like fractions:
36/20 + 2/20 = 36 + 2/20 = 38/20 - 38/20 simplified gives 19/10
- So, 18/10 + 2/20 = 19/10
In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+2/20 18/10+4/20 18/20+2/20 18/10+2/40 54/10+2/20 18/10+6/20 18/30+2/20 18/10+2/60 90/10+2/20 18/10+10/20 18/50+2/20 18/10+14/20 18/70+2/20