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Add 20/72 and 5/80

20/72 + 5/80 is 49/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 72 × 10 = 720,
    20/72 = 20 × 10/72 × 10 = 200/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    5/80 = 5 × 9/80 × 9 = 45/720
  4. Add the two like fractions:
    200/720 + 45/720 = 200 + 45/720 = 245/720
  5. 245/720 simplified gives 49/144
  6. So, 20/72 + 5/80 = 49/144

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