Answers

Add 54/42 and 75/27

1^st number: 1 12/42, 2^nd number: 2 21/27

54/42 + 75/27 is 256/63.

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,
   54/42 = 54 × 9/42 × 9 = 486/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   75/27 = 75 × 14/27 × 14 = 1050/378
4. Add the two like fractions:
   486/378 + 1050/378 = 486 + 1050/378 = 1536/378
5. 1536/378 simplified gives 256/63
6. So, 54/42 + 75/27 = 256/63
   In mixed form: 44/63

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