Answers

Add 35/21 and 6/9

1^st number: 1 14/21, 2^nd number: 6/9

35/21 + 6/9 is 7/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   35/21 = 35 × 3/21 × 3 = 105/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   6/9 = 6 × 7/9 × 7 = 42/63
4. Add the two like fractions:
   105/63 + 42/63 = 105 + 42/63 = 147/63
5. 147/63 simplified gives 7/3
6. So, 35/21 + 6/9 = 7/3
   In mixed form: 21/3

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