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Subtract 30/7 from 63/9

1st number: 7 0/9, 2nd number: 4 2/7

63/9 - 30/7 is 19/7.

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,
    30/7 = 30 × 9/7 × 9 = 270/63
  4. Subtract the two fractions:
    441/63 - 270/63 = 441 - 270/63 = 171/63
  5. After reducing the fraction, the answer is 19/7
  6. In mixed form: 25/7

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