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Add 3/10 and 14/42

3/10 + 14/42 is 19/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    3/10 = 3 × 21/10 × 21 = 63/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    14/42 = 14 × 5/42 × 5 = 70/210
  4. Add the two like fractions:
    63/210 + 70/210 = 63 + 70/210 = 133/210
  5. 133/210 simplified gives 19/30
  6. So, 3/10 + 14/42 = 19/30

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