Answers

Add 75/42 and 21/27

1^st number: 1 33/42, 2^nd number: 21/27

75/42 + 21/27 is 323/126.

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,
   75/42 = 75 × 9/42 × 9 = 675/378
3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
   21/27 = 21 × 14/27 × 14 = 294/378
4. Add the two like fractions:
   675/378 + 294/378 = 675 + 294/378 = 969/378
5. 969/378 simplified gives 323/126
6. So, 75/42 + 21/27 = 323/126
   In mixed form: 271/126

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