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Add 20/30 and 15/54

20/30 + 15/54 is 17/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 30 × 9 = 270,
    20/30 = 20 × 9/30 × 9 = 180/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    15/54 = 15 × 5/54 × 5 = 75/270
  4. Add the two like fractions:
    180/270 + 75/270 = 180 + 75/270 = 255/270
  5. 255/270 simplified gives 17/18
  6. So, 20/30 + 15/54 = 17/18

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