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Add 18/20 and 1/72

18/20 + 1/72 is 329/360.

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,
    18/20 = 18 × 18/20 × 18 = 324/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    1/72 = 1 × 5/72 × 5 = 5/360
  4. Add the two like fractions:
    324/360 + 5/360 = 324 + 5/360 = 329/360
  5. So, 18/20 + 1/72 = 329/360

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