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Subtract 12/45 from 5/10

5/10 - 12/45 is 7/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 45 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    5/10 = 5 × 9/10 × 9 = 45/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    12/45 = 12 × 2/45 × 2 = 24/90
  4. Subtract the two fractions:
    45/90 - 24/90 = 45 - 24/90 = 21/90
  5. After reducing the fraction, the answer is 7/30

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