Answers

Add 20/45 and 84/24

1^st number: 20/45, 2^nd number: 3 12/24

20/45 + 84/24 is 71/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 24 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   20/45 = 20 × 8/45 × 8 = 160/360
3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
   84/24 = 84 × 15/24 × 15 = 1260/360
4. Add the two like fractions:
   160/360 + 1260/360 = 160 + 1260/360 = 1420/360
5. 1420/360 simplified gives 71/18
6. So, 20/45 + 84/24 = 71/18
   In mixed form: 317/18

MathStep (Works offline)

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

Related: ⁴⁰/₄₅+⁸⁴/₂₄ ²⁰/₉₀+⁸⁴/₂₄ ²⁰/₄₅+⁸⁴/₄₈ ⁶⁰/₄₅+⁸⁴/₂₄ ²⁰/₄₅+⁸⁴/₇₂

Add Fractions Calculator