Answers

Add 20/4 and 90/30

1^st number: 5 0/4, 2^nd number: 3 0/30

20/4 + 90/30 is 8/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 4 × 15 = 60,
   20/4 = 20 × 15/4 × 15 = 300/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   90/30 = 90 × 2/30 × 2 = 180/60
4. Add the two like fractions:
   300/60 + 180/60 = 300 + 180/60 = 480/60
5. 480/60 simplified gives 8/1
6. So, 20/4 + 90/30 = 8/1

MathStep (Works offline)

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

Related: ⁴⁰/₄+⁹⁰/₃₀ ²⁰/₈+⁹⁰/₃₀ ²⁰/₄+⁹⁰/₆₀ ⁶⁰/₄+⁹⁰/₃₀ ²⁰/₁₂+⁹⁰/₃₀ ²⁰/₂₈+⁹⁰/₃₀

Add Fractions Calculator