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Subtract 7/63 from 45/40

1st number: 1 5/40, 2nd number: 7/63

45/40 - 7/63 is 73/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    45/40 = 45 × 63/40 × 63 = 2835/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    7/63 = 7 × 40/63 × 40 = 280/2520
  4. Subtract the two fractions:
    2835/2520 - 280/2520 = 2835 - 280/2520 = 2555/2520
  5. After reducing the fraction, the answer is 73/72
  6. In mixed form: 11/72

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