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Subtract 50/63 from 4/18

4/18 - 50/63 is -4/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    4/18 = 4 × 7/18 × 7 = 28/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    50/63 = 50 × 2/63 × 2 = 100/126
  4. Subtract the two fractions:
    28/126 - 100/126 = 28 - 100/126 = -72/126
  5. After reducing the fraction, the answer is -4/7

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