Answers

Add 45/12 and 54/6

1^st number: 3 9/12, 2^nd number: 9 0/6

45/12 + 54/6 is 51/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 6 is 12
   
   Next, find the equivalent fraction of both fractional numbers with denominator 12
2. For the 1st fraction, since 12 × 1 = 12,
   45/12 = 45 × 1/12 × 1 = 45/12
3. Likewise, for the 2nd fraction, since 6 × 2 = 12,
   54/6 = 54 × 2/6 × 2 = 108/12
4. Add the two like fractions:
   45/12 + 108/12 = 45 + 108/12 = 153/12
5. 153/12 simplified gives 51/4
6. So, 45/12 + 54/6 = 51/4
   In mixed form: 123/4

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