Answers

Add 49/21 and 84/56

1^st number: 2 7/21, 2^nd number: 1 28/56

49/21 + 84/56 is 23/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   49/21 = 49 × 8/21 × 8 = 392/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   84/56 = 84 × 3/56 × 3 = 252/168
4. Add the two like fractions:
   392/168 + 252/168 = 392 + 252/168 = 644/168
5. 644/168 simplified gives 23/6
6. So, 49/21 + 84/56 = 23/6
   In mixed form: 35/6

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