Answers

Add 42/48 and 48/27

1^st number: 42/48, 2^nd number: 1 21/27

42/48 + 48/27 is 191/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 27 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 48 × 9 = 432,
   42/48 = 42 × 9/48 × 9 = 378/432
3. Likewise, for the 2nd fraction, since 27 × 16 = 432,
   48/27 = 48 × 16/27 × 16 = 768/432
4. Add the two like fractions:
   378/432 + 768/432 = 378 + 768/432 = 1146/432
5. 1146/432 simplified gives 191/72
6. So, 42/48 + 48/27 = 191/72
   In mixed form: 247/72

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