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Add 6/20 and 18/72

6/20 + 18/72 is 11/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 20 × 18 = 360,
    6/20 = 6 × 18/20 × 18 = 108/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    18/72 = 18 × 5/72 × 5 = 90/360
  4. Add the two like fractions:
    108/360 + 90/360 = 108 + 90/360 = 198/360
  5. 198/360 simplified gives 11/20
  6. So, 6/20 + 18/72 = 11/20

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