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Add 20/30 and 3/90

20/30 + 3/90 is 7/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 90 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 90 × 1 = 90,
    3/90 = 3 × 1/90 × 1 = 3/90
  4. Add the two fractions:
    60/90 + 3/90 = 60 + 3/90 = 63/90
  5. 63/90 simplified gives 7/10
  6. So, 20/30 + 3/90 = 7/10

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