Answers

Add 25/20 and 90/4

1^st number: 1 5/20, 2^nd number: 22 2/4

25/20 + 90/4 is 95/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 4 is 20
2. For the 1st fraction, since 20 × 1 = 20,
   25/20 = 25 × 1/20 × 1 = 25/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   90/4 = 90 × 5/4 × 5 = 450/20
4. Add the two fractions:
   25/20 + 450/20 = 25 + 450/20 = 475/20
5. 475/20 simplified gives 95/4
6. So, 25/20 + 90/4 = 95/4
   In mixed form: 233/4

MathStep (Works offline)

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

Related: ⁵⁰/₂₀+⁹⁰/₄ ²⁵/₄₀+⁹⁰/₄ ²⁵/₂₀+⁹⁰/₈ ⁷⁵/₂₀+⁹⁰/₄ ²⁵/₆₀+⁹⁰/₄ ²⁵/₂₀+⁹⁰/₁₂ ²⁵/₂₀+⁹⁰/₂₀ ²⁵/₂₀+⁹⁰/₂₈

Add Fractions Calculator