Answers

Add 90/9 and 7/63

1^st number: 10 0/9, 2^nd number: 7/63

90/9 + 7/63 is 91/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 9 × 7 = 63,
   90/9 = 90 × 7/9 × 7 = 630/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   7/63 = 7 × 1/63 × 1 = 7/63
4. Add the two like fractions:
   630/63 + 7/63 = 630 + 7/63 = 637/63
5. 637/63 simplified gives 91/9
6. So, 90/9 + 7/63 = 91/9
   In mixed form: 101/9

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