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Add 15/90 and 18/8

1st number: 15/90, 2nd number: 2 2/8

15/90 + 18/8 is 29/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 8 is 360
  2. For the 1st fraction, since 90 × 4 = 360,
    15/90 = 15 × 4/90 × 4 = 60/360
  3. Likewise, for the 2nd fraction, since 8 × 45 = 360,
    18/8 = 18 × 45/8 × 45 = 810/360
  4. Add the two fractions:
    60/360 + 810/360 = 60 + 810/360 = 870/360
  5. After reducing the fraction, the answer is 29/12
  6. In mixed form: 25/12

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