Answers

Add 20/45 and 72/32

1^st number: 20/45, 2^nd number: 2 8/32

20/45 + 72/32 is 97/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 32 is 1440
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1440
2. For the 1st fraction, since 45 × 32 = 1440,
   20/45 = 20 × 32/45 × 32 = 640/1440
3. Likewise, for the 2nd fraction, since 32 × 45 = 1440,
   72/32 = 72 × 45/32 × 45 = 3240/1440
4. Add the two like fractions:
   640/1440 + 3240/1440 = 640 + 3240/1440 = 3880/1440
5. 3880/1440 simplified gives 97/36
6. So, 20/45 + 72/32 = 97/36
   In mixed form: 225/36

MathStep (Works offline)

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

Related: ⁴⁰/₄₅+⁷²/₃₂ ²⁰/₉₀+⁷²/₃₂ ²⁰/₄₅+⁷²/₆₄ ⁶⁰/₄₅+⁷²/₃₂ ²⁰/₄₅+⁷²/₉₆

Add Fractions Calculator