Answers

Add 42/24 and 35/81

1^st number: 1 18/24, 2^nd number: 35/81

42/24 + 35/81 is 707/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 81 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 24 × 27 = 648,
   42/24 = 42 × 27/24 × 27 = 1134/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   35/81 = 35 × 8/81 × 8 = 280/648
4. Add the two like fractions:
   1134/648 + 280/648 = 1134 + 280/648 = 1414/648
5. 1414/648 simplified gives 707/324
6. So, 42/24 + 35/81 = 707/324
   In mixed form: 259/324

MathStep (Works offline)

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

Related: ⁸⁴/₂₄+³⁵/₈₁ ⁴²/₂₄+⁷⁰/₈₁ ⁴²/₄₈+³⁵/₈₁ ⁴²/₇₂+³⁵/₈₁

Add Fractions Calculator