Answers

Add 8/21 and 6/27

8/21 + 6/27 is 38/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 21 × 9 = 189,
   8/21 = 8 × 9/21 × 9 = 72/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   6/27 = 6 × 7/27 × 7 = 42/189
4. Add the two like fractions:
   72/189 + 42/189 = 72 + 42/189 = 114/189
5. 114/189 simplified gives 38/63
6. So, 8/21 + 6/27 = 38/63

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