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Subtract 45/70 from 25/2

1st number: 12 1/2, 2nd number: 45/70

25/2 - 45/70 is 83/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 2 × 35 = 70,
    25/2 = 25 × 35/2 × 35 = 875/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    45/70 = 45 × 1/70 × 1 = 45/70
  4. Subtract the two like fractions:
    875/70 - 45/70 = 875 - 45/70 = 830/70
  5. After reducing the fraction, the answer is 83/7
  6. In mixed form: 116/7

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