Answers

Add 64/42 and 14/20

1^st number: 1 22/42, 2^nd number: 14/20

64/42 + 14/20 is 467/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 20 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   64/42 = 64 × 10/42 × 10 = 640/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   14/20 = 14 × 21/20 × 21 = 294/420
4. Add the two like fractions:
   640/420 + 294/420 = 640 + 294/420 = 934/420
5. 934/420 simplified gives 467/210
6. So, 64/42 + 14/20 = 467/210
   In mixed form: 247/210

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