Answers

Add 15/20 and 63/27

1^st number: 15/20, 2^nd number: 2 9/27

15/20 + 63/27 is 37/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 27 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   15/20 = 15 × 27/20 × 27 = 405/540
3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
   63/27 = 63 × 20/27 × 20 = 1260/540
4. Add the two like fractions:
   405/540 + 1260/540 = 405 + 1260/540 = 1665/540
5. 1665/540 simplified gives 37/12
6. So, 15/20 + 63/27 = 37/12
   In mixed form: 31/12

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