Answers

Add 64/35 and 70/84

1^st number: 1 29/35, 2^nd number: 70/84

64/35 + 70/84 is 559/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 35 × 12 = 420,
   64/35 = 64 × 12/35 × 12 = 768/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   70/84 = 70 × 5/84 × 5 = 350/420
4. Add the two like fractions:
   768/420 + 350/420 = 768 + 350/420 = 1118/420
5. 1118/420 simplified gives 559/210
6. So, 64/35 + 70/84 = 559/210
   In mixed form: 2139/210

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