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Add 48/81 and 3/42

48/81 + 3/42 is 251/378.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 42 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 1134
  2. For the 1st fraction, since 81 × 14 = 1134,
    48/81 = 48 × 14/81 × 14 = 672/1134
  3. Likewise, for the 2nd fraction, since 42 × 27 = 1134,
    3/42 = 3 × 27/42 × 27 = 81/1134
  4. Add the two like fractions:
    672/1134 + 81/1134 = 672 + 81/1134 = 753/1134
  5. 753/1134 simplified gives 251/378
  6. So, 48/81 + 3/42 = 251/378

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