Answers

Add 63/20 and 6/42

1^st number: 3 3/20, 2^nd number: 6/42

63/20 + 6/42 is 461/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   63/20 = 63 × 21/20 × 21 = 1323/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   6/42 = 6 × 10/42 × 10 = 60/420
4. Add the two like fractions:
   1323/420 + 60/420 = 1323 + 60/420 = 1383/420
5. 1383/420 simplified gives 461/140
6. So, 63/20 + 6/42 = 461/140
   In mixed form: 341/140

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