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Add 30/60 and 15/80

30/60 + 15/80 is 11/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 60 × 4 = 240,
    30/60 = 30 × 4/60 × 4 = 120/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    15/80 = 15 × 3/80 × 3 = 45/240
  4. Add the two like fractions:
    120/240 + 45/240 = 120 + 45/240 = 165/240
  5. 165/240 simplified gives 11/16
  6. So, 30/60 + 15/80 = 11/16

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