Answers

Add 25/90 and 84/80

1^st number: 25/90, 2^nd number: 1 4/80

25/90 + 84/80 is 239/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   25/90 = 25 × 8/90 × 8 = 200/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   84/80 = 84 × 9/80 × 9 = 756/720
4. Add the two like fractions:
   200/720 + 756/720 = 200 + 756/720 = 956/720
5. 956/720 simplified gives 239/180
6. So, 25/90 + 84/80 = 239/180
   In mixed form: 159/180

MathStep (Works offline)

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

Related: ⁵⁰/₉₀+⁸⁴/₈₀ ⁷⁵/₉₀+⁸⁴/₈₀

Add Fractions Calculator