Answers

Add 42/27 and 84/49

1^st number: 1 15/27, 2^nd number: 1 35/49

42/27 + 84/49 is 206/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 49 is 1323
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1323
2. For the 1st fraction, since 27 × 49 = 1323,
   42/27 = 42 × 49/27 × 49 = 2058/1323
3. Likewise, for the 2nd fraction, since 49 × 27 = 1323,
   84/49 = 84 × 27/49 × 27 = 2268/1323
4. Add the two like fractions:
   2058/1323 + 2268/1323 = 2058 + 2268/1323 = 4326/1323
5. 4326/1323 simplified gives 206/63
6. So, 42/27 + 84/49 = 206/63
   In mixed form: 317/63

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