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Add 28/70 and 4/7

28/70 + 4/7 is 34/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 7 is 70
  2. For the 1st fraction, since 70 × 1 = 70,
    28/70 = 28 × 1/70 × 1 = 28/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    4/7 = 4 × 10/7 × 10 = 40/70
  4. Add the two fractions:
    28/70 + 40/70 = 28 + 40/70 = 68/70
  5. 68/70 simplified gives 34/35
  6. So, 28/70 + 4/7 = 34/35

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