Answers

Add 42/81 and 6/63

42/81 + 6/63 is 116/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 63 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 81 × 7 = 567,
   42/81 = 42 × 7/81 × 7 = 294/567
3. Likewise, for the 2nd fraction, since 63 × 9 = 567,
   6/63 = 6 × 9/63 × 9 = 54/567
4. Add the two like fractions:
   294/567 + 54/567 = 294 + 54/567 = 348/567
5. 348/567 simplified gives 116/189
6. So, 42/81 + 6/63 = 116/189

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