Answers

Add 81/9 and 54/72

1^st number: 9 0/9, 2^nd number: 54/72

81/9 + 54/72 is 39/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 9 × 8 = 72,
   81/9 = 81 × 8/9 × 8 = 648/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   54/72 = 54 × 1/72 × 1 = 54/72
4. Add the two like fractions:
   648/72 + 54/72 = 648 + 54/72 = 702/72
5. 702/72 simplified gives 39/4
6. So, 81/9 + 54/72 = 39/4
   In mixed form: 93/4

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