Answers

Add 70/40 and 2/81

1^st number: 1 30/40, 2^nd number: 2/81

70/40 + 2/81 is 575/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 81 is 3240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3240
2. For the 1st fraction, since 40 × 81 = 3240,
   70/40 = 70 × 81/40 × 81 = 5670/3240
3. Likewise, for the 2nd fraction, since 81 × 40 = 3240,
   2/81 = 2 × 40/81 × 40 = 80/3240
4. Add the two like fractions:
   5670/3240 + 80/3240 = 5670 + 80/3240 = 5750/3240
5. 5750/3240 simplified gives 575/324
6. So, 70/40 + 2/81 = 575/324
   In mixed form: 1251/324

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