Answers

Add 10/63 and 21/27

10/63 + 21/27 is 59/63.

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,
   10/63 = 10 × 3/63 × 3 = 30/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   21/27 = 21 × 7/27 × 7 = 147/189
4. Add the two like fractions:
   30/189 + 147/189 = 30 + 147/189 = 177/189
5. 177/189 simplified gives 59/63
6. So, 10/63 + 21/27 = 59/63

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