Answers

Add 45/30 and 54/45

1^st number: 1 15/30, 2^nd number: 1 9/45

45/30 + 54/45 is 27/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   45/30 = 45 × 3/30 × 3 = 135/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   54/45 = 54 × 2/45 × 2 = 108/90
4. Add the two like fractions:
   135/90 + 108/90 = 135 + 108/90 = 243/90
5. 243/90 simplified gives 27/10
6. So, 45/30 + 54/45 = 27/10
   In mixed form: 27/10

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