Answers

Add 49/42 and 56/81

1^st number: 1 7/42, 2^nd number: 56/81

49/42 + 56/81 is 301/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 81 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 42 × 27 = 1134,
   49/42 = 49 × 27/42 × 27 = 1323/1134
3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
   56/81 = 56 × 14/81 × 14 = 784/1134
4. Add the two like fractions:
   1323/1134 + 784/1134 = 1323 + 784/1134 = 2107/1134
5. 2107/1134 simplified gives 301/162
6. So, 49/42 + 56/81 = 301/162
   In mixed form: 1139/162

MathStep (Works offline)

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

Related: ⁹⁸/₄₂+⁵⁶/₈₁ ⁴⁹/₈₄+⁵⁶/₈₁

Add Fractions Calculator