Answers

Add 28/4 and 2/81

1^st number: 7 0/4, 2^nd number: 2/81

28/4 + 2/81 is 569/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   28/4 = 28 × 81/4 × 81 = 2268/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   2/81 = 2 × 4/81 × 4 = 8/324
4. Add the two like fractions:
   2268/324 + 8/324 = 2268 + 8/324 = 2276/324
5. 2276/324 simplified gives 569/81
6. So, 28/4 + 2/81 = 569/81
   In mixed form: 72/81

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