Answers

Add 54/27 and 25/21

1^st number: 2 0/27, 2^nd number: 1 4/21

54/27 + 25/21 is 67/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 21 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 27 × 7 = 189,
   54/27 = 54 × 7/27 × 7 = 378/189
3. Likewise, for the 2nd fraction, since 21 × 9 = 189,
   25/21 = 25 × 9/21 × 9 = 225/189
4. Add the two like fractions:
   378/189 + 225/189 = 378 + 225/189 = 603/189
5. 603/189 simplified gives 67/21
6. So, 54/27 + 25/21 = 67/21
   In mixed form: 34/21

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