Answers

Add 84/72 and 3/54

1^st number: 1 12/72, 2^nd number: 3/54

84/72 + 3/54 is 11/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 72 × 3 = 216,
   84/72 = 84 × 3/72 × 3 = 252/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   3/54 = 3 × 4/54 × 4 = 12/216
4. Add the two like fractions:
   252/216 + 12/216 = 252 + 12/216 = 264/216
5. 264/216 simplified gives 11/9
6. So, 84/72 + 3/54 = 11/9
   In mixed form: 12/9

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