Answers

Add 54/84 and 75/27

1^st number: 54/84, 2^nd number: 2 21/27

54/84 + 75/27 is 431/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   54/84 = 54 × 9/84 × 9 = 486/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   75/27 = 75 × 28/27 × 28 = 2100/756
4. Add the two like fractions:
   486/756 + 2100/756 = 486 + 2100/756 = 2586/756
5. 2586/756 simplified gives 431/126
6. So, 54/84 + 75/27 = 431/126
   In mixed form: 353/126

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