Answers

Add 54/21 and 20/56

1^st number: 2 12/21, 2^nd number: 20/56

54/21 + 20/56 is 41/14.

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,
   54/21 = 54 × 8/21 × 8 = 432/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   20/56 = 20 × 3/56 × 3 = 60/168
4. Add the two like fractions:
   432/168 + 60/168 = 432 + 60/168 = 492/168
5. 492/168 simplified gives 41/14
6. So, 54/21 + 20/56 = 41/14
   In mixed form: 213/14

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