Answers

Add 49/56 and 30/21

1^st number: 49/56, 2^nd number: 1 9/21

49/56 + 30/21 is 129/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   49/56 = 49 × 3/56 × 3 = 147/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   30/21 = 30 × 8/21 × 8 = 240/168
4. Add the two like fractions:
   147/168 + 240/168 = 147 + 240/168 = 387/168
5. 387/168 simplified gives 129/56
6. So, 49/56 + 30/21 = 129/56
   In mixed form: 217/56

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