Answers

Add 4/84 and 75/54

1^st number: 4/84, 2^nd number: 1 21/54

4/84 + 75/54 is 181/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   4/84 = 4 × 9/84 × 9 = 36/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   75/54 = 75 × 14/54 × 14 = 1050/756
4. Add the two like fractions:
   36/756 + 1050/756 = 36 + 1050/756 = 1086/756
5. 1086/756 simplified gives 181/126
6. So, 4/84 + 75/54 = 181/126
   In mixed form: 155/126

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