Answers

Add 81/54 and 6/72

1^st number: 1 27/54, 2^nd number: 6/72

81/54 + 6/72 is 19/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 72 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 54 × 4 = 216,
   81/54 = 81 × 4/54 × 4 = 324/216
3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
   6/72 = 6 × 3/72 × 3 = 18/216
4. Add the two like fractions:
   324/216 + 18/216 = 324 + 18/216 = 342/216
5. 342/216 simplified gives 19/12
6. So, 81/54 + 6/72 = 19/12
   In mixed form: 17/12

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