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Add 15/30 and 6/42

15/30 + 6/42 is 9/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    15/30 = 15 × 7/30 × 7 = 105/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    6/42 = 6 × 5/42 × 5 = 30/210
  4. Add the two fractions:
    105/210 + 30/210 = 105 + 30/210 = 135/210
  5. After reducing the fraction, the answer is 9/14

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