Answers

Add 16/21 and 45/35

1^st number: 16/21, 2^nd number: 1 10/35

16/21 + 45/35 is 43/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 35 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 21 × 5 = 105,
   16/21 = 16 × 5/21 × 5 = 80/105
3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
   45/35 = 45 × 3/35 × 3 = 135/105
4. Add the two like fractions:
   80/105 + 135/105 = 80 + 135/105 = 215/105
5. 215/105 simplified gives 43/21
6. So, 16/21 + 45/35 = 43/21
   In mixed form: 21/21

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