Answers

Add 15/27 and 63/42

1^st number: 15/27, 2^nd number: 1 21/42

15/27 + 63/42 is 37/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 42 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 27 × 14 = 378,
   15/27 = 15 × 14/27 × 14 = 210/378
3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
   63/42 = 63 × 9/42 × 9 = 567/378
4. Add the two like fractions:
   210/378 + 567/378 = 210 + 567/378 = 777/378
5. 777/378 simplified gives 37/18
6. So, 15/27 + 63/42 = 37/18
   In mixed form: 21/18

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