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Add 30/35 and 15/70

30/35 + 15/70 is 15/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 35 × 2 = 70,
    30/35 = 30 × 2/35 × 2 = 60/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    15/70 = 15 × 1/70 × 1 = 15/70
  4. Add the two like fractions:
    60/70 + 15/70 = 60 + 15/70 = 75/70
  5. 75/70 simplified gives 15/14
  6. So, 30/35 + 15/70 = 15/14
    In mixed form: 11/14

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