Answers

Add 12/54 and 63/60

1^st number: 12/54, 2^nd number: 1 3/60

12/54 + 63/60 is 229/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 60 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 60 × 9 = 540,
   63/60 = 63 × 9/60 × 9 = 567/540
4. Add the two like fractions:
   120/540 + 567/540 = 120 + 567/540 = 687/540
5. 687/540 simplified gives 229/180
6. So, 12/54 + 63/60 = 229/180
   In mixed form: 149/180

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