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Add 21/24 and 8/80

21/24 + 8/80 is 39/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 24 × 10 = 240,
    21/24 = 21 × 10/24 × 10 = 210/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    8/80 = 8 × 3/80 × 3 = 24/240
  4. Add the two like fractions:
    210/240 + 24/240 = 210 + 24/240 = 234/240
  5. 234/240 simplified gives 39/40
  6. So, 21/24 + 8/80 = 39/40

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