Answers

Add 25/27 and 84/21

1^st number: 25/27, 2^nd number: 4 0/21

25/27 + 84/21 is 133/27.

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,
   25/27 = 25 × 7/27 × 7 = 175/189
3. Likewise, for the 2nd fraction, since 21 × 9 = 189,
   84/21 = 84 × 9/21 × 9 = 756/189
4. Add the two like fractions:
   175/189 + 756/189 = 175 + 756/189 = 931/189
5. 931/189 simplified gives 133/27
6. So, 25/27 + 84/21 = 133/27
   In mixed form: 425/27

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