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Add 24/27 and 3/42

24/27 + 3/42 is 121/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 42 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 27 × 14 = 378,
    24/27 = 24 × 14/27 × 14 = 336/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    3/42 = 3 × 9/42 × 9 = 27/378
  4. Add the two like fractions:
    336/378 + 27/378 = 336 + 27/378 = 363/378
  5. 363/378 simplified gives 121/126
  6. So, 24/27 + 3/42 = 121/126

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