Answers

Add 70/63 and 8/90

1^st number: 1 7/63, 2^nd number: 8/90

70/63 + 8/90 is 6/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   70/63 = 70 × 10/63 × 10 = 700/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   8/90 = 8 × 7/90 × 7 = 56/630
4. Add the two like fractions:
   700/630 + 56/630 = 700 + 56/630 = 756/630
5. 756/630 simplified gives 6/5
6. So, 70/63 + 8/90 = 6/5
   In mixed form: 11/5

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