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Add 15/30 and 18/80

15/30 + 18/80 is 29/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 30 × 8 = 240,
    15/30 = 15 × 8/30 × 8 = 120/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    18/80 = 18 × 3/80 × 3 = 54/240
  4. Add the two like fractions:
    120/240 + 54/240 = 120 + 54/240 = 174/240
  5. 174/240 simplified gives 29/40
  6. So, 15/30 + 18/80 = 29/40

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