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Add 10/21 and 8/24

10/21 + 8/24 is 17/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    10/21 = 10 × 8/21 × 8 = 80/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    8/24 = 8 × 7/24 × 7 = 56/168
  4. Add the two like fractions:
    80/168 + 56/168 = 80 + 56/168 = 136/168
  5. 136/168 simplified gives 17/21
  6. So, 10/21 + 8/24 = 17/21

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