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Add 10/80 and 12/45

10/80 + 12/45 is 47/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720
  2. For the 1st fraction, since 80 × 9 = 720,
    10/80 = 10 × 9/80 × 9 = 90/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    12/45 = 12 × 16/45 × 16 = 192/720
  4. Add the two fractions:
    90/720 + 192/720 = 90 + 192/720 = 282/720
  5. After reducing the fraction, the answer is 47/120

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