Answers

Add 6/27 and 9/21

6/27 + 9/21 is 41/63.

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,
   6/27 = 6 × 7/27 × 7 = 42/189
3. Likewise, for the 2nd fraction, since 21 × 9 = 189,
   9/21 = 9 × 9/21 × 9 = 81/189
4. Add the two like fractions:
   42/189 + 81/189 = 42 + 81/189 = 123/189
5. 123/189 simplified gives 41/63
6. So, 6/27 + 9/21 = 41/63

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