Answers

Add 90/80 and 27/24

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

90/80 + 27/24 is 9/4.

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,
   27/24 = 27 × 10/24 × 10 = 270/240
4. Add the two like fractions:
   270/240 + 270/240 = 270 + 270/240 = 540/240
5. 540/240 simplified gives 9/4
6. So, 90/80 + 27/24 = 9/4
   In mixed form: 21/4

MathStep (Works offline)

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

Related: ⁹⁰/₈₀+⁵⁴/₂₄ ⁹⁰/₈₀+²⁷/₄₈ ⁹⁰/₈₀+⁸¹/₂₄ ⁹⁰/₈₀+²⁷/₇₂

Add Fractions Calculator