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Subtract 56/18 from 30/63

1st number: 30/63, 2nd number: 3 2/18

30/63 - 56/18 is -166/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 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 18 × 7 = 126,
    56/18 = 56 × 7/18 × 7 = 392/126
  4. Subtract the two like fractions:
    60/126 - 392/126 = 60 - 392/126 = -332/126
  5. After reducing the fraction, the answer is -166/63

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