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Add 7/20 and 15/30

7/20 + 15/30 is 17/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 30 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    7/20 = 7 × 3/20 × 3 = 21/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    15/30 = 15 × 2/30 × 2 = 30/60
  4. Add the two fractions:
    21/60 + 30/60 = 21 + 30/60 = 51/60
  5. After reducing the fraction, the answer is 17/20

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