Answers

Add 90/14 and 70/63

1^st number: 6 6/14, 2^nd number: 1 7/63

90/14 + 70/63 is 475/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 14 × 9 = 126,
   90/14 = 90 × 9/14 × 9 = 810/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   70/63 = 70 × 2/63 × 2 = 140/126
4. Add the two like fractions:
   810/126 + 140/126 = 810 + 140/126 = 950/126
5. 950/126 simplified gives 475/63
6. So, 90/14 + 70/63 = 475/63
   In mixed form: 734/63

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