Answers

Add 45/60 and 20/18

1^st number: 45/60, 2^nd number: 1 2/18

45/60 + 20/18 is 67/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 18 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   45/60 = 45 × 3/60 × 3 = 135/180
3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
   20/18 = 20 × 10/18 × 10 = 200/180
4. Add the two like fractions:
   135/180 + 200/180 = 135 + 200/180 = 335/180
5. 335/180 simplified gives 67/36
6. So, 45/60 + 20/18 = 67/36
   In mixed form: 131/36

MathStep (Works offline)

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

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

Add Fractions Calculator