Answers

Add 42/20 and 84/49

1^st number: 2 2/20, 2^nd number: 1 35/49

42/20 + 84/49 is 267/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 49 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   42/20 = 42 × 49/20 × 49 = 2058/980
3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
   84/49 = 84 × 20/49 × 20 = 1680/980
4. Add the two like fractions:
   2058/980 + 1680/980 = 2058 + 1680/980 = 3738/980
5. 3738/980 simplified gives 267/70
6. So, 42/20 + 84/49 = 267/70
   In mixed form: 357/70

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