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Subtract 40/14 from 30/63

1st number: 30/63, 2nd number: 2 12/14

30/63 - 40/14 is -50/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 14 is 126
  2. For the 1st fraction, since 63 × 2 = 126,
    30/63 = 30 × 2/63 × 2 = 60/126
  3. Likewise, for the 2nd fraction, since 14 × 9 = 126,
    40/14 = 40 × 9/14 × 9 = 360/126
  4. Subtract the two fractions:
    60/126 - 360/126 = 60 - 360/126 = -300/126
  5. After reducing the fraction, the answer is -50/21

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