Answers

Add 81/63 and 70/6

1^st number: 1 18/63, 2^nd number: 11 4/6

81/63 + 70/6 is 272/21.

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,
   70/6 = 70 × 21/6 × 21 = 1470/126
4. Add the two like fractions:
   162/126 + 1470/126 = 162 + 1470/126 = 1632/126
5. 1632/126 simplified gives 272/21
6. So, 81/63 + 70/6 = 272/21
   In mixed form: 1220/21

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