Answers

Add 81/27 and 81/72

1^st number: 3 0/27, 2^nd number: 1 9/72

81/27 + 81/72 is 33/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 72 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 27 × 8 = 216,
   81/27 = 81 × 8/27 × 8 = 648/216
3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
   81/72 = 81 × 3/72 × 3 = 243/216
4. Add the two like fractions:
   648/216 + 243/216 = 648 + 243/216 = 891/216
5. 891/216 simplified gives 33/8
6. So, 81/27 + 81/72 = 33/8
   In mixed form: 41/8

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