Answers

Add 56/35 and 7/81

1^st number: 1 21/35, 2^nd number: 7/81

56/35 + 7/81 is 683/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 81 is 2835
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2835
2. For the 1st fraction, since 35 × 81 = 2835,
   56/35 = 56 × 81/35 × 81 = 4536/2835
3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
   7/81 = 7 × 35/81 × 35 = 245/2835
4. Add the two like fractions:
   4536/2835 + 245/2835 = 4536 + 245/2835 = 4781/2835
5. 4781/2835 simplified gives 683/405
6. So, 56/35 + 7/81 = 683/405
   In mixed form: 1278/405

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