Answers

Add 81/45 and 72/9

1^st number: 1 36/45, 2^nd number: 8 0/9

81/45 + 72/9 is 49/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 9 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 45 × 1 = 45,
   81/45 = 81 × 1/45 × 1 = 81/45
3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
   72/9 = 72 × 5/9 × 5 = 360/45
4. Add the two like fractions:
   81/45 + 360/45 = 81 + 360/45 = 441/45
5. 441/45 simplified gives 49/5
6. So, 81/45 + 72/9 = 49/5
   In mixed form: 94/5

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