Answers

Add 20/56 and 50/21

1^st number: 20/56, 2^nd number: 2 8/21

20/56 + 50/21 is 115/42.

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,
   20/56 = 20 × 3/56 × 3 = 60/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   50/21 = 50 × 8/21 × 8 = 400/168
4. Add the two like fractions:
   60/168 + 400/168 = 60 + 400/168 = 460/168
5. 460/168 simplified gives 115/42
6. So, 20/56 + 50/21 = 115/42
   In mixed form: 231/42

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