Answers

Add 84/21 and 35/30

1^st number: 4 0/21, 2^nd number: 1 5/30

84/21 + 35/30 is 31/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   84/21 = 84 × 10/21 × 10 = 840/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   35/30 = 35 × 7/30 × 7 = 245/210
4. Add the two like fractions:
   840/210 + 245/210 = 840 + 245/210 = 1085/210
5. 1085/210 simplified gives 31/6
6. So, 84/21 + 35/30 = 31/6
   In mixed form: 51/6

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