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Add 27/18 and 20/8

1st number: 1 9/18, 2nd number: 2 4/8

27/18 + 20/8 is 4/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 18 × 4 = 72,
    27/18 = 27 × 4/18 × 4 = 108/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    20/8 = 20 × 9/8 × 9 = 180/72
  4. Add the two like fractions:
    108/72 + 180/72 = 108 + 180/72 = 288/72
  5. 288/72 simplified gives 4/1
  6. So, 27/18 + 20/8 = 4/1

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