Answers

Add 64/21 and 35/30

1^st number: 3 1/21, 2^nd number: 1 5/30

64/21 + 35/30 is 59/14.

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,
   64/21 = 64 × 10/21 × 10 = 640/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   35/30 = 35 × 7/30 × 7 = 245/210
4. Add the two like fractions:
   640/210 + 245/210 = 640 + 245/210 = 885/210
5. 885/210 simplified gives 59/14
6. So, 64/21 + 35/30 = 59/14
   In mixed form: 43/14

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