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Subtract 45/30 from 3/8

1st number: 3/8, 2nd number: 1 15/30

3/8 - 45/30 is -9/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 30 is 120
  2. For the 1st fraction, since 8 × 15 = 120,
    3/8 = 3 × 15/8 × 15 = 45/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    45/30 = 45 × 4/30 × 4 = 180/120
  4. Subtract the two fractions:
    45/120 - 180/120 = 45 - 180/120 = -135/120
  5. After reducing the fraction, the answer is -9/8

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