Answers

Add 72/4 and 60/81

1^st number: 18 0/4, 2^nd number: 60/81

72/4 + 60/81 is 506/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   72/4 = 72 × 81/4 × 81 = 5832/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   60/81 = 60 × 4/81 × 4 = 240/324
4. Add the two like fractions:
   5832/324 + 240/324 = 5832 + 240/324 = 6072/324
5. 6072/324 simplified gives 506/27
6. So, 72/4 + 60/81 = 506/27
   In mixed form: 1820/27

MathStep (Works offline)

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

Related: ⁷²/₈+⁶⁰/₈₁ ⁷²/₁₂+⁶⁰/₈₁ ⁷²/₂₀+⁶⁰/₈₁ ⁷²/₂₈+⁶⁰/₈₁

Add Fractions Calculator