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Add 21/35 and 14/70

21/35 + 14/70 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 70 is 70
  2. For the 1st fraction, since 35 × 2 = 70,
    21/35 = 21 × 2/35 × 2 = 42/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    14/70 = 14 × 1/70 × 1 = 14/70
  4. Add the two fractions:
    42/70 + 14/70 = 42 + 14/70 = 56/70
  5. After reducing the fraction, the answer is 4/5

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