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Add 3/10 and 15/70

3/10 + 15/70 is 18/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 70 is 70
  2. For the 1st fraction, since 10 × 7 = 70,
    3/10 = 3 × 7/10 × 7 = 21/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    15/70 = 15 × 1/70 × 1 = 15/70
  4. Add the two fractions:
    21/70 + 15/70 = 21 + 15/70 = 36/70
  5. After reducing the fraction, the answer is 18/35

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