Answers

Add 81/3 and 54/45

1^st number: 27 0/3, 2^nd number: 1 9/45

81/3 + 54/45 is 141/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 45 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 3 × 15 = 45,
   81/3 = 81 × 15/3 × 15 = 1215/45
3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
   54/45 = 54 × 1/45 × 1 = 54/45
4. Add the two like fractions:
   1215/45 + 54/45 = 1215 + 54/45 = 1269/45
5. 1269/45 simplified gives 141/5
6. So, 81/3 + 54/45 = 141/5
   In mixed form: 281/5

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