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Add 15/30 and 50/80

15/30 + 50/80 is 9/8.

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,
    50/80 = 50 × 3/80 × 3 = 150/240
  4. Add the two like fractions:
    120/240 + 150/240 = 120 + 150/240 = 270/240
  5. 270/240 simplified gives 9/8
  6. So, 15/30 + 50/80 = 9/8
    In mixed form: 11/8

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