Answers

Add 28/21 and 5/56

1^st number: 1 7/21, 2^nd number: 5/56

28/21 + 5/56 is 239/168.

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,
   28/21 = 28 × 8/21 × 8 = 224/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   5/56 = 5 × 3/56 × 3 = 15/168
4. Add the two like fractions:
   224/168 + 15/168 = 224 + 15/168 = 239/168
5. So, 28/21 + 5/56 = 239/168
   In mixed form: 171/168

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