Answers

Add 12/54 and 63/20

1^st number: 12/54, 2^nd number: 3 3/20

12/54 + 63/20 is 607/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   12/54 = 12 × 10/54 × 10 = 120/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   63/20 = 63 × 27/20 × 27 = 1701/540
4. Add the two like fractions:
   120/540 + 1701/540 = 120 + 1701/540 = 1821/540
5. 1821/540 simplified gives 607/180
6. So, 12/54 + 63/20 = 607/180
   In mixed form: 367/180

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