Answers

Add 20/90 and 50/25

1^st number: 20/90, 2^nd number: 2 0/25

20/90 + 50/25 is 20/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 25 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 90 × 5 = 450,
   20/90 = 20 × 5/90 × 5 = 100/450
3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
   50/25 = 50 × 18/25 × 18 = 900/450
4. Add the two like fractions:
   100/450 + 900/450 = 100 + 900/450 = 1000/450
5. 1000/450 simplified gives 20/9
6. So, 20/90 + 50/25 = 20/9
   In mixed form: 22/9

MathStep (Works offline)

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

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

Add Fractions Calculator