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Add 2/90 and 15/16

2/90 + 15/16 is 691/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 16 is 720
  2. For the 1st fraction, since 90 × 8 = 720,
    2/90 = 2 × 8/90 × 8 = 16/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    15/16 = 15 × 45/16 × 45 = 675/720
  4. Add the two fractions:
    16/720 + 675/720 = 16 + 675/720 = 691/720

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