Answers

Add 45/12 and 54/16

1^st number: 3 9/12, 2^nd number: 3 6/16

45/12 + 54/16 is 57/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 16 is 48
   
   Next, find the equivalent fraction of both fractional numbers with denominator 48
2. For the 1st fraction, since 12 × 4 = 48,
   45/12 = 45 × 4/12 × 4 = 180/48
3. Likewise, for the 2nd fraction, since 16 × 3 = 48,
   54/16 = 54 × 3/16 × 3 = 162/48
4. Add the two like fractions:
   180/48 + 162/48 = 180 + 162/48 = 342/48
5. 342/48 simplified gives 57/8
6. So, 45/12 + 54/16 = 57/8
   In mixed form: 71/8

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