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Add 15/40 and 25/80

15/40 + 25/80 is 11/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 80 is 80
  2. For the 1st fraction, since 40 × 2 = 80,
    15/40 = 15 × 2/40 × 2 = 30/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    25/80 = 25 × 1/80 × 1 = 25/80
  4. Add the two fractions:
    30/80 + 25/80 = 30 + 25/80 = 55/80
  5. 55/80 simplified gives 11/16
  6. So, 15/40 + 25/80 = 11/16

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