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Add 5/70 and 12/28

5/70 + 12/28 is 1/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 28 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    5/70 = 5 × 2/70 × 2 = 10/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    12/28 = 12 × 5/28 × 5 = 60/140
  4. Add the two fractions:
    10/140 + 60/140 = 10 + 60/140 = 70/140
  5. After reducing the fraction, the answer is 1/2

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