Answers

Add 40/15 and 48/81

1^st number: 2 10/15, 2^nd number: 48/81

40/15 + 48/81 is 88/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 15 × 27 = 405,
   40/15 = 40 × 27/15 × 27 = 1080/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   48/81 = 48 × 5/81 × 5 = 240/405
4. Add the two like fractions:
   1080/405 + 240/405 = 1080 + 240/405 = 1320/405
5. 1320/405 simplified gives 88/27
6. So, 40/15 + 48/81 = 88/27
   In mixed form: 37/27

MathStep (Works offline)

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

Related: ⁸⁰/₁₅+⁴⁸/₈₁ ⁴⁰/₁₅+⁹⁶/₈₁ ⁴⁰/₃₀+⁴⁸/₈₁ ⁴⁰/₄₅+⁴⁸/₈₁ ⁴⁰/₇₅+⁴⁸/₈₁

Add Fractions Calculator