Answers

Add 72/28 and 24/81

1^st number: 2 16/28, 2^nd number: 24/81

72/28 + 24/81 is 542/189.

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,
   72/28 = 72 × 81/28 × 81 = 5832/2268
3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
   24/81 = 24 × 28/81 × 28 = 672/2268
4. Add the two like fractions:
   5832/2268 + 672/2268 = 5832 + 672/2268 = 6504/2268
5. 6504/2268 simplified gives 542/189
6. So, 72/28 + 24/81 = 542/189
   In mixed form: 2164/189

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