Answers

Add 90/20 and 50/30

1^st number: 4 10/20, 2^nd number: 1 20/30

90/20 + 50/30 is 37/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   90/20 = 90 × 3/20 × 3 = 270/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   50/30 = 50 × 2/30 × 2 = 100/60
4. Add the two like fractions:
   270/60 + 100/60 = 270 + 100/60 = 370/60
5. 370/60 simplified gives 37/6
6. So, 90/20 + 50/30 = 37/6
   In mixed form: 61/6

MathStep (Works offline)

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

Related: ⁹⁰/₄₀+⁵⁰/₃₀ ⁹⁰/₂₀+⁵⁰/₆₀ ⁹⁰/₆₀+⁵⁰/₃₀ ⁹⁰/₂₀+⁵⁰/₉₀

Add Fractions Calculator