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Add 15/20 and 5/80

15/20 + 5/80 is 13/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 80 is 80
  2. For the 1st fraction, since 20 × 4 = 80,
    15/20 = 15 × 4/20 × 4 = 60/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    5/80 = 5 × 1/80 × 1 = 5/80
  4. Add the two fractions:
    60/80 + 5/80 = 60 + 5/80 = 65/80
  5. 65/80 simplified gives 13/16
  6. So, 15/20 + 5/80 = 13/16

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