Answers

Add 7/14 and 4/81

7/14 + 4/81 is 89/162.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 81 is 1134
2. For the 1st fraction, since 14 × 81 = 1134,
   7/14 = 7 × 81/14 × 81 = 567/1134
3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
   4/81 = 4 × 14/81 × 14 = 56/1134
4. Add the two fractions:
   567/1134 + 56/1134 = 567 + 56/1134 = 623/1134
5. After reducing the fraction, the answer is 89/162

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