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Add 20/72 and 3/27

20/72 + 3/27 is 7/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 27 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 72 × 3 = 216,
    20/72 = 20 × 3/72 × 3 = 60/216
  3. Likewise, for the 2nd fraction, since 27 × 8 = 216,
    3/27 = 3 × 8/27 × 8 = 24/216
  4. Add the two like fractions:
    60/216 + 24/216 = 60 + 24/216 = 84/216
  5. 84/216 simplified gives 7/18
  6. So, 20/72 + 3/27 = 7/18

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