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Add 90/15 and 27/80

1st number: 6 0/15, 2nd number: 27/80

90/15 + 27/80 is 507/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 15 × 16 = 240,
    90/15 = 90 × 16/15 × 16 = 1440/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    27/80 = 27 × 3/80 × 3 = 81/240
  4. Add the two like fractions:
    1440/240 + 81/240 = 1440 + 81/240 = 1521/240
  5. 1521/240 simplified gives 507/80
  6. So, 90/15 + 27/80 = 507/80
    In mixed form: 627/80

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