Answers

Add 70/63 and 80/6

1^st number: 1 7/63, 2^nd number: 13 2/6

70/63 + 80/6 is 130/9.

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,
   70/63 = 70 × 2/63 × 2 = 140/126
3. Likewise, for the 2nd fraction, since 6 × 21 = 126,
   80/6 = 80 × 21/6 × 21 = 1680/126
4. Add the two like fractions:
   140/126 + 1680/126 = 140 + 1680/126 = 1820/126
5. 1820/126 simplified gives 130/9
6. So, 70/63 + 80/6 = 130/9
   In mixed form: 144/9

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