Answers

Add 56/49 and 84/81

1^st number: 1 7/49, 2^nd number: 1 3/81

56/49 + 84/81 is 412/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 81 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 49 × 81 = 3969,
   56/49 = 56 × 81/49 × 81 = 4536/3969
3. Likewise, for the 2nd fraction, since 81 × 49 = 3969,
   84/81 = 84 × 49/81 × 49 = 4116/3969
4. Add the two like fractions:
   4536/3969 + 4116/3969 = 4536 + 4116/3969 = 8652/3969
5. 8652/3969 simplified gives 412/189
6. So, 56/49 + 84/81 = 412/189
   In mixed form: 234/189

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