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Add 12/60 and 4/90

12/60 + 4/90 is 11/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 90 is 180
  2. For the 1st fraction, since 60 × 3 = 180,
    12/60 = 12 × 3/60 × 3 = 36/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    4/90 = 4 × 2/90 × 2 = 8/180
  4. Add the two fractions:
    36/180 + 8/180 = 36 + 8/180 = 44/180
  5. 44/180 simplified gives 11/45
  6. So, 12/60 + 4/90 = 11/45

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