Answers

Add 45/6 and 54/18

1^st number: 7 3/6, 2^nd number: 3 0/18

45/6 + 54/18 is 21/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 18 is 18
   
   Next, find the equivalent fraction of both fractional numbers with denominator 18
2. For the 1st fraction, since 6 × 3 = 18,
   45/6 = 45 × 3/6 × 3 = 135/18
3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
   54/18 = 54 × 1/18 × 1 = 54/18
4. Add the two like fractions:
   135/18 + 54/18 = 135 + 54/18 = 189/18
5. 189/18 simplified gives 21/2
6. So, 45/6 + 54/18 = 21/2
   In mixed form: 101/2

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