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Add 4/90 and 9/60

4/90 + 9/60 is 7/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 60 is 180
  2. For the 1st fraction, since 90 × 2 = 180,
    4/90 = 4 × 2/90 × 2 = 8/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    9/60 = 9 × 3/60 × 3 = 27/180
  4. Add the two fractions:
    8/180 + 27/180 = 8 + 27/180 = 35/180
  5. After reducing the fraction, the answer is 7/36

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