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Subtract 70/63 from 6/18

1st number: 6/18, 2nd number: 1 7/63

6/18 - 70/63 is -7/9.

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,
    6/18 = 6 × 7/18 × 7 = 42/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    70/63 = 70 × 2/63 × 2 = 140/126
  4. Subtract the two fractions:
    42/126 - 140/126 = 42 - 140/126 = -98/126
  5. After reducing the fraction, the answer is -7/9

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