Answers

Add 18/63 and 45/6

1^st number: 18/63, 2^nd number: 7 3/6

18/63 + 45/6 is 109/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 6 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   18/63 = 18 × 2/63 × 2 = 36/126
3. Likewise, for the 2nd fraction, since 6 × 21 = 126,
   45/6 = 45 × 21/6 × 21 = 945/126
4. Add the two like fractions:
   36/126 + 945/126 = 36 + 945/126 = 981/126
5. 981/126 simplified gives 109/14
6. So, 18/63 + 45/6 = 109/14
   In mixed form: 711/14

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