Answers

Add 45/24 and 80/20

1^st number: 1 21/24, 2^nd number: 4 0/20

45/24 + 80/20 is 47/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 20 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 24 × 5 = 120,
   45/24 = 45 × 5/24 × 5 = 225/120
3. Likewise, for the 2nd fraction, since 20 × 6 = 120,
   80/20 = 80 × 6/20 × 6 = 480/120
4. Add the two like fractions:
   225/120 + 480/120 = 225 + 480/120 = 705/120
5. 705/120 simplified gives 47/8
6. So, 45/24 + 80/20 = 47/8
   In mixed form: 57/8

MathStep (Works offline)

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

Related: ⁹⁰/₂₄+⁸⁰/₂₀ ⁴⁵/₄₈+⁸⁰/₂₀ ⁴⁵/₂₄+⁸⁰/₄₀ ⁴⁵/₇₂+⁸⁰/₂₀ ⁴⁵/₂₄+⁸⁰/₆₀

Add Fractions Calculator