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Add 18/56 and 9/20

18/56 + 9/20 is 27/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 20 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    18/56 = 18 × 5/56 × 5 = 90/280
  3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
    9/20 = 9 × 14/20 × 14 = 126/280
  4. Add the two like fractions:
    90/280 + 126/280 = 90 + 126/280 = 216/280
  5. 216/280 simplified gives 27/35
  6. So, 18/56 + 9/20 = 27/35

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