Answers

Add 36/21 and 35/9

1^st number: 1 15/21, 2^nd number: 3 8/9

36/21 + 35/9 is 353/63.

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,
   36/21 = 36 × 3/21 × 3 = 108/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   35/9 = 35 × 7/9 × 7 = 245/63
4. Add the two like fractions:
   108/63 + 245/63 = 108 + 245/63 = 353/63
5. So, 36/21 + 35/9 = 353/63
   In mixed form: 538/63

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