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Add 10/21 and 8/60

10/21 + 8/60 is 64/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 60 is 420
  2. For the 1st fraction, since 21 × 20 = 420,
    10/21 = 10 × 20/21 × 20 = 200/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    8/60 = 8 × 7/60 × 7 = 56/420
  4. Add the two fractions:
    200/420 + 56/420 = 200 + 56/420 = 256/420
  5. 256/420 simplified gives 64/105
  6. So, 10/21 + 8/60 = 64/105

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