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Add 20/30 and 6/45

20/30 + 6/45 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 45 is 90
  2. For the 1st fraction, since 30 × 3 = 90,
    20/30 = 20 × 3/30 × 3 = 60/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    6/45 = 6 × 2/45 × 2 = 12/90
  4. Add the two fractions:
    60/90 + 12/90 = 60 + 12/90 = 72/90
  5. After reducing the fraction, the answer is 4/5

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