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Add 4/14 and 21/30

4/14 + 21/30 is 69/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 30 is 210
  2. For the 1st fraction, since 14 × 15 = 210,
    4/14 = 4 × 15/14 × 15 = 60/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    21/30 = 21 × 7/30 × 7 = 147/210
  4. Add the two fractions:
    60/210 + 147/210 = 60 + 147/210 = 207/210
  5. After reducing the fraction, the answer is 69/70

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