Answers

Add 81/63 and 18/6

1^st number: 1 18/63, 2^nd number: 3 0/6

81/63 + 18/6 is 30/7.

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,
   81/63 = 81 × 2/63 × 2 = 162/126
3. Likewise, for the 2nd fraction, since 6 × 21 = 126,
   18/6 = 18 × 21/6 × 21 = 378/126
4. Add the two like fractions:
   162/126 + 378/126 = 162 + 378/126 = 540/126
5. 540/126 simplified gives 30/7
6. So, 81/63 + 18/6 = 30/7
   In mixed form: 42/7

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