Answers

Add 35/54 and 72/28

1^st number: 35/54, 2^nd number: 2 16/28

35/54 + 72/28 is 1217/378.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 28 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 54 × 14 = 756,
   35/54 = 35 × 14/54 × 14 = 490/756
3. Likewise, for the 2nd fraction, since 28 × 27 = 756,
   72/28 = 72 × 27/28 × 27 = 1944/756
4. Add the two like fractions:
   490/756 + 1944/756 = 490 + 1944/756 = 2434/756
5. 2434/756 simplified gives 1217/378
6. So, 35/54 + 72/28 = 1217/378
   In mixed form: 383/378

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