Answers

Add 56/21 and 84/49

1^st number: 2 14/21, 2^nd number: 1 35/49

56/21 + 84/49 is 92/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 49 is 147
   
   Next, find the equivalent fraction of both fractional numbers with denominator 147
2. For the 1st fraction, since 21 × 7 = 147,
   56/21 = 56 × 7/21 × 7 = 392/147
3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
   84/49 = 84 × 3/49 × 3 = 252/147
4. Add the two like fractions:
   392/147 + 252/147 = 392 + 252/147 = 644/147
5. 644/147 simplified gives 92/21
6. So, 56/21 + 84/49 = 92/21
   In mixed form: 48/21

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