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Subtract 3/63 from 7/5

1st number: 1 2/5, 2nd number: 3/63

7/5 - 3/63 is 142/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 63 is 315
  2. For the 1st fraction, since 5 × 63 = 315,
    7/5 = 7 × 63/5 × 63 = 441/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    3/63 = 3 × 5/63 × 5 = 15/315
  4. Subtract the two fractions:
    441/315 - 15/315 = 441 - 15/315 = 426/315
  5. After reducing the fraction, the answer is 142/105
  6. In mixed form: 137/105

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