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Subtract 10/7 from 63/45

1st number: 1 18/45, 2nd number: 1 3/7

63/45 - 10/7 is -1/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315
  2. For the 1st fraction, since 45 × 7 = 315,
    63/45 = 63 × 7/45 × 7 = 441/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    10/7 = 10 × 45/7 × 45 = 450/315
  4. Subtract the two fractions:
    441/315 - 450/315 = 441 - 450/315 = -9/315
  5. After reducing the fraction, the answer is -1/35

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