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Add 4/49 and 3/81

4/49 + 3/81 is 157/1323.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 81 is 3969
  2. For the 1st fraction, since 49 × 81 = 3969,
    4/49 = 4 × 81/49 × 81 = 324/3969
  3. Likewise, for the 2nd fraction, since 81 × 49 = 3969,
    3/81 = 3 × 49/81 × 49 = 147/3969
  4. Add the two fractions:
    324/3969 + 147/3969 = 324 + 147/3969 = 471/3969
  5. After reducing the fraction, the answer is 157/1323

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