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Add 10/35 and 8/12

10/35 + 8/12 is 20/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 12 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 35 × 12 = 420,
    10/35 = 10 × 12/35 × 12 = 120/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    8/12 = 8 × 35/12 × 35 = 280/420
  4. Add the two like fractions:
    120/420 + 280/420 = 120 + 280/420 = 400/420
  5. 400/420 simplified gives 20/21
  6. So, 10/35 + 8/12 = 20/21

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