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Add 10/15 and 7/90

10/15 + 7/90 is 67/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    10/15 = 10 × 6/15 × 6 = 60/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    7/90 = 7 × 1/90 × 1 = 7/90
  4. Add the two fractions:
    60/90 + 7/90 = 60 + 7/90 = 67/90

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