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Subtract 70/7 from 63/9

1st number: 7 0/9, 2nd number: 10 0/7

63/9 - 70/7 is -3/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 7 is 63
  2. For the 1st fraction, since 9 × 7 = 63,
    63/9 = 63 × 7/9 × 7 = 441/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    70/7 = 70 × 9/7 × 9 = 630/63
  4. Subtract the two fractions:
    441/63 - 630/63 = 441 - 630/63 = -189/63
  5. After reducing the fraction, the answer is -3/1

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