Answers

Add 63/54 and 3/42

1^st number: 1 9/54, 2^nd number: 3/42

63/54 + 3/42 is 26/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 42 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   63/54 = 63 × 7/54 × 7 = 441/378
3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
   3/42 = 3 × 9/42 × 9 = 27/378
4. Add the two like fractions:
   441/378 + 27/378 = 441 + 27/378 = 468/378
5. 468/378 simplified gives 26/21
6. So, 63/54 + 3/42 = 26/21
   In mixed form: 15/21

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