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Add 15/75 and 40/80

15/75 + 40/80 is 7/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 80 is 1200

    Next, find the equivalent fraction of both fractional numbers with denominator 1200
  2. For the 1st fraction, since 75 × 16 = 1200,
    15/75 = 15 × 16/75 × 16 = 240/1200
  3. Likewise, for the 2nd fraction, since 80 × 15 = 1200,
    40/80 = 40 × 15/80 × 15 = 600/1200
  4. Add the two like fractions:
    240/1200 + 600/1200 = 240 + 600/1200 = 840/1200
  5. 840/1200 simplified gives 7/10
  6. So, 15/75 + 40/80 = 7/10

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