Answers

Add 75/20 and 30/60

1^st number: 3 15/20, 2^nd number: 30/60

75/20 + 30/60 is 17/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   75/20 = 75 × 3/20 × 3 = 225/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   30/60 = 30 × 1/60 × 1 = 30/60
4. Add the two like fractions:
   225/60 + 30/60 = 225 + 30/60 = 255/60
5. 255/60 simplified gives 17/4
6. So, 75/20 + 30/60 = 17/4
   In mixed form: 41/4

MathStep (Works offline)

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

Related: ⁷⁵/₄₀+³⁰/₆₀ ⁷⁵/₂₀+⁹⁰/₆₀ ⁷⁵/₆₀+³⁰/₆₀

Add Fractions Calculator