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Subtract 30/7 from 9/25

1st number: 9/25, 2nd number: 4 2/7

9/25 - 30/7 is -687/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 7 is 175

    Next, find the equivalent fraction of both fractional numbers with denominator 175
  2. For the 1st fraction, since 25 × 7 = 175,
    9/25 = 9 × 7/25 × 7 = 63/175
  3. Likewise, for the 2nd fraction, since 7 × 25 = 175,
    30/7 = 30 × 25/7 × 25 = 750/175
  4. Subtract the two like fractions:
    63/175 - 750/175 = 63 - 750/175 = -687/175

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