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Add 28/70 and 28/30

28/70 + 28/30 is 4/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    28/70 = 28 × 3/70 × 3 = 84/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    28/30 = 28 × 7/30 × 7 = 196/210
  4. Add the two fractions:
    84/210 + 196/210 = 84 + 196/210 = 280/210
  5. After reducing the fraction, the answer is 4/3
  6. In mixed form: 11/3

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