Answers

Add 15/84 and 72/54

1^st number: 15/84, 2^nd number: 1 18/54

15/84 + 72/54 is 127/84.

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,
   15/84 = 15 × 9/84 × 9 = 135/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   72/54 = 72 × 14/54 × 14 = 1008/756
4. Add the two like fractions:
   135/756 + 1008/756 = 135 + 1008/756 = 1143/756
5. 1143/756 simplified gives 127/84
6. So, 15/84 + 72/54 = 127/84
   In mixed form: 143/84

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