Answers

Add 63/28 and 20/54

1^st number: 2 7/28, 2^nd number: 20/54

63/28 + 20/54 is 283/108.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 28 × 27 = 756,
   63/28 = 63 × 27/28 × 27 = 1701/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   20/54 = 20 × 14/54 × 14 = 280/756
4. Add the two like fractions:
   1701/756 + 280/756 = 1701 + 280/756 = 1981/756
5. 1981/756 simplified gives 283/108
6. So, 63/28 + 20/54 = 283/108
   In mixed form: 267/108

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