Answers

Add 35/28 and 4/81

1^st number: 1 7/28, 2^nd number: 4/81

35/28 + 4/81 is 421/324.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 81 is 2268
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2268
2. For the 1st fraction, since 28 × 81 = 2268,
   35/28 = 35 × 81/28 × 81 = 2835/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   4/81 = 4 × 28/81 × 28 = 112/2268
4. Add the two like fractions:
   2835/2268 + 112/2268 = 2835 + 112/2268 = 2947/2268
5. 2947/2268 simplified gives 421/324
6. So, 35/28 + 4/81 = 421/324
   In mixed form: 197/324

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