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Subtract 18/63 from 63/5

1st number: 12 3/5, 2nd number: 18/63

63/5 - 18/63 is 431/35.

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,
    63/5 = 63 × 63/5 × 63 = 3969/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    18/63 = 18 × 5/63 × 5 = 90/315
  4. Subtract the two fractions:
    3969/315 - 90/315 = 3969 - 90/315 = 3879/315
  5. After reducing the fraction, the answer is 431/35
  6. In mixed form: 1211/35

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