Answers

Add 63/42 and 7/27

1^st number: 1 21/42, 2^nd number: 7/27

63/42 + 7/27 is 95/54.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 27 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 42 × 9 = 378,
   63/42 = 63 × 9/42 × 9 = 567/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   7/27 = 7 × 14/27 × 14 = 98/378
4. Add the two like fractions:
   567/378 + 98/378 = 567 + 98/378 = 665/378
5. 665/378 simplified gives 95/54
6. So, 63/42 + 7/27 = 95/54
   In mixed form: 141/54

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