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Add 5/16 and 12/45

5/16 + 12/45 is 139/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 45 is 720
  2. For the 1st fraction, since 16 × 45 = 720,
    5/16 = 5 × 45/16 × 45 = 225/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    12/45 = 12 × 16/45 × 16 = 192/720
  4. Add the two fractions:
    225/720 + 192/720 = 225 + 192/720 = 417/720
  5. 417/720 simplified gives 139/240
  6. So, 5/16 + 12/45 = 139/240

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