Answers

Add 54/12 and 20/56

1^st number: 4 6/12, 2^nd number: 20/56

54/12 + 20/56 is 34/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 12 × 14 = 168,
   54/12 = 54 × 14/12 × 14 = 756/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   20/56 = 20 × 3/56 × 3 = 60/168
4. Add the two like fractions:
   756/168 + 60/168 = 756 + 60/168 = 816/168
5. 816/168 simplified gives 34/7
6. So, 54/12 + 20/56 = 34/7
   In mixed form: 46/7

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