Answers

Add 10/21 and 3/27

10/21 + 3/27 is 37/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 21 × 9 = 189,
   10/21 = 10 × 9/21 × 9 = 90/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   3/27 = 3 × 7/27 × 7 = 21/189
4. Add the two like fractions:
   90/189 + 21/189 = 90 + 21/189 = 111/189
5. 111/189 simplified gives 37/63
6. So, 10/21 + 3/27 = 37/63

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