Answers

Add 75/35 and 84/21

1^st number: 2 5/35, 2^nd number: 4 0/21

75/35 + 84/21 is 43/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 35 × 3 = 105,
   75/35 = 75 × 3/35 × 3 = 225/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   84/21 = 84 × 5/21 × 5 = 420/105
4. Add the two like fractions:
   225/105 + 420/105 = 225 + 420/105 = 645/105
5. 645/105 simplified gives 43/7
6. So, 75/35 + 84/21 = 43/7
   In mixed form: 61/7

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