Answers

Add 72/35 and 28/81

1^st number: 2 2/35, 2^nd number: 28/81

72/35 + 28/81 is 6812/2835.

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,
   72/35 = 72 × 81/35 × 81 = 5832/2835
3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
   28/81 = 28 × 35/81 × 35 = 980/2835
4. Add the two like fractions:
   5832/2835 + 980/2835 = 5832 + 980/2835 = 6812/2835
5. So, 72/35 + 28/81 = 6812/2835
   In mixed form: 21142/2835

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