Answers

Add 25/20 and 84/90

1^st number: 1 5/20, 2^nd number: 84/90

25/20 + 84/90 is 131/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   25/20 = 25 × 9/20 × 9 = 225/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   84/90 = 84 × 2/90 × 2 = 168/180
4. Add the two like fractions:
   225/180 + 168/180 = 225 + 168/180 = 393/180
5. 393/180 simplified gives 131/60
6. So, 25/20 + 84/90 = 131/60
   In mixed form: 211/60

MathStep (Works offline)

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

Related: ⁵⁰/₂₀+⁸⁴/₉₀ ²⁵/₄₀+⁸⁴/₉₀ ⁷⁵/₂₀+⁸⁴/₉₀ ²⁵/₆₀+⁸⁴/₉₀

Add Fractions Calculator