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Add 4/15 and 14/42

4/15 + 14/42 is 3/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    4/15 = 4 × 14/15 × 14 = 56/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    14/42 = 14 × 5/42 × 5 = 70/210
  4. Add the two fractions:
    56/210 + 70/210 = 56 + 70/210 = 126/210
  5. After reducing the fraction, the answer is 3/5

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