Answers

Add 63/9 and 21/7

1^st number: 7 0/9, 2^nd number: 3 0/7

63/9 + 21/7 is 10/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 9 × 7 = 63,
   63/9 = 63 × 7/9 × 7 = 441/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   21/7 = 21 × 9/7 × 9 = 189/63
4. Add the two like fractions:
   441/63 + 189/63 = 441 + 189/63 = 630/63
5. 630/63 simplified gives 10/1
6. So, 63/9 + 21/7 = 10/1

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