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Add 15/80 and 56/60

15/80 + 56/60 is 269/240.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    15/80 = 15 × 3/80 × 3 = 45/240
  3. Likewise, for the 2nd fraction, since 60 × 4 = 240,
    56/60 = 56 × 4/60 × 4 = 224/240
  4. Add the two like fractions:
    45/240 + 224/240 = 45 + 224/240 = 269/240
  5. So, 15/80 + 56/60 = 269/240
    In mixed form: 129/240

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