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Add 12/24 and 40/70

12/24 + 40/70 is 15/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 70 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 24 × 35 = 840,
    12/24 = 12 × 35/24 × 35 = 420/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    40/70 = 40 × 12/70 × 12 = 480/840
  4. Add the two like fractions:
    420/840 + 480/840 = 420 + 480/840 = 900/840
  5. 900/840 simplified gives 15/14
  6. So, 12/24 + 40/70 = 15/14
    In mixed form: 11/14

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