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Add 12/70 and 27/28

12/70 + 27/28 is 159/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    12/70 = 12 × 2/70 × 2 = 24/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    27/28 = 27 × 5/28 × 5 = 135/140
  4. Add the two like fractions:
    24/140 + 135/140 = 24 + 135/140 = 159/140
  5. So, 12/70 + 27/28 = 159/140
    In mixed form: 119/140

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