Answers

Add 8/18 and 2/20

8/18 + 2/20 is 49/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   8/18 = 8 × 10/18 × 10 = 80/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   2/20 = 2 × 9/20 × 9 = 18/180
4. Add the two like fractions:
   80/180 + 18/180 = 80 + 18/180 = 98/180
5. 98/180 simplified gives 49/90
6. So, 8/18 + 2/20 = 49/90

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ¹⁶/₁₈+²/₂₀ ⁸/₁₈+⁴/₂₀ ⁸/₃₆+²/₂₀ ⁸/₁₈+²/₄₀ ²⁴/₁₈+²/₂₀ ⁸/₁₈+⁶/₂₀ ⁸/₅₄+²/₂₀ ⁸/₁₈+²/₆₀ ⁴⁰/₁₈+²/₂₀ ⁸/₁₈+¹⁰/₂₀ ⁸/₉₀+²/₂₀ ⁵⁶/₁₈+²/₂₀ ⁸/₁₈+¹⁴/₂₀

Add Fractions Calculator