Answers

Add 81/75 and 54/45

1^st number: 1 6/75, 2^nd number: 1 9/45

81/75 + 54/45 is 57/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 45 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 75 × 3 = 225,
   81/75 = 81 × 3/75 × 3 = 243/225
3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
   54/45 = 54 × 5/45 × 5 = 270/225
4. Add the two like fractions:
   243/225 + 270/225 = 243 + 270/225 = 513/225
5. 513/225 simplified gives 57/25
6. So, 81/75 + 54/45 = 57/25
   In mixed form: 27/25

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