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Subtract 18/5 from 1/63

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

1/63 - 18/5 is -1129/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 5 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    1/63 = 1 × 5/63 × 5 = 5/315
  3. Likewise, for the 2nd fraction, since 5 × 63 = 315,
    18/5 = 18 × 63/5 × 63 = 1134/315
  4. Subtract the two like fractions:
    5/315 - 1134/315 = 5 - 1134/315 = -1129/315

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