Answers

Add 25/18 and 45/20

1^st number: 1 7/18, 2^nd number: 2 5/20

25/18 + 45/20 is 131/36.

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,
   25/18 = 25 × 10/18 × 10 = 250/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   45/20 = 45 × 9/20 × 9 = 405/180
4. Add the two like fractions:
   250/180 + 405/180 = 250 + 405/180 = 655/180
5. 655/180 simplified gives 131/36
6. So, 25/18 + 45/20 = 131/36
   In mixed form: 323/36

MathStep (Works offline)

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

Related: ⁵⁰/₁₈+⁴⁵/₂₀ ²⁵/₁₈+⁹⁰/₂₀ ²⁵/₃₆+⁴⁵/₂₀ ²⁵/₁₈+⁴⁵/₄₀ ⁷⁵/₁₈+⁴⁵/₂₀ ²⁵/₅₄+⁴⁵/₂₀ ²⁵/₁₈+⁴⁵/₆₀ ²⁵/₉₀+⁴⁵/₂₀

Add Fractions Calculator