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Subtract 9/70 from 25/8

1st number: 3 1/8, 2nd number: 9/70

25/8 - 9/70 is 839/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 8 × 35 = 280,
    25/8 = 25 × 35/8 × 35 = 875/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    9/70 = 9 × 4/70 × 4 = 36/280
  4. Subtract the two like fractions:
    875/280 - 36/280 = 875 - 36/280 = 839/280
  5. In mixed form: 2279/280

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