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Add 10/60 and 25/70

10/60 + 25/70 is 11/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    10/60 = 10 × 7/60 × 7 = 70/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    25/70 = 25 × 6/70 × 6 = 150/420
  4. Add the two like fractions:
    70/420 + 150/420 = 70 + 150/420 = 220/420
  5. 220/420 simplified gives 11/21
  6. So, 10/60 + 25/70 = 11/21

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