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Subtract 70/63 from 6/7

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

6/7 - 70/63 is -16/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 63 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    6/7 = 6 × 9/7 × 9 = 54/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    70/63 = 70 × 1/63 × 1 = 70/63
  4. Subtract the two fractions:
    54/63 - 70/63 = 54 - 70/63 = -16/63

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