Answers

Add 28/63 and 4/27

28/63 + 4/27 is 16/27.

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,
   28/63 = 28 × 3/63 × 3 = 84/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   4/27 = 4 × 7/27 × 7 = 28/189
4. Add the two like fractions:
   84/189 + 28/189 = 84 + 28/189 = 112/189
5. 112/189 simplified gives 16/27
6. So, 28/63 + 4/27 = 16/27

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