Answers

Add 63/18 and 7/54

1^st number: 3 9/18, 2^nd number: 7/54

63/18 + 7/54 is 98/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 54 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   63/18 = 63 × 3/18 × 3 = 189/54
3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
   7/54 = 7 × 1/54 × 1 = 7/54
4. Add the two like fractions:
   189/54 + 7/54 = 189 + 7/54 = 196/54
5. 196/54 simplified gives 98/27
6. So, 63/18 + 7/54 = 98/27
   In mixed form: 317/27

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