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Add 21/54 and 4/24

21/54 + 4/24 is 5/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 24 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 54 × 4 = 216,
    21/54 = 21 × 4/54 × 4 = 84/216
  3. Likewise, for the 2nd fraction, since 24 × 9 = 216,
    4/24 = 4 × 9/24 × 9 = 36/216
  4. Add the two like fractions:
    84/216 + 36/216 = 84 + 36/216 = 120/216
  5. 120/216 simplified gives 5/9
  6. So, 21/54 + 4/24 = 5/9

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