Answers

Add 90/80 and 81/24

1^st number: 1 10/80, 2^nd number: 3 9/24

90/80 + 81/24 is 9/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 24 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 80 × 3 = 240,
   90/80 = 90 × 3/80 × 3 = 270/240
3. Likewise, for the 2nd fraction, since 24 × 10 = 240,
   81/24 = 81 × 10/24 × 10 = 810/240
4. Add the two like fractions:
   270/240 + 810/240 = 270 + 810/240 = 1080/240
5. 1080/240 simplified gives 9/2
6. So, 90/80 + 81/24 = 9/2
   In mixed form: 41/2

MathStep (Works offline)

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

Related: ⁹⁰/₈₀+⁸¹/₄₈ ⁹⁰/₈₀+⁸¹/₇₂

Add Fractions Calculator