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Add 10/12 and 5/70

10/12 + 5/70 is 19/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 12 × 35 = 420,
    10/12 = 10 × 35/12 × 35 = 350/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    5/70 = 5 × 6/70 × 6 = 30/420
  4. Add the two like fractions:
    350/420 + 30/420 = 350 + 30/420 = 380/420
  5. 380/420 simplified gives 19/21
  6. So, 10/12 + 5/70 = 19/21

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