Answers

Add 6/63 and 20/27

6/63 + 20/27 is 158/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 63 × 3 = 189,
   6/63 = 6 × 3/63 × 3 = 18/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   20/27 = 20 × 7/27 × 7 = 140/189
4. Add the two like fractions:
   18/189 + 140/189 = 18 + 140/189 = 158/189
5. So, 6/63 + 20/27 = 158/189

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