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Subtract 25/12 from 20/35

1st number: 20/35, 2nd number: 2 1/12

20/35 - 25/12 is -127/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 12 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 35 × 12 = 420,
    20/35 = 20 × 12/35 × 12 = 240/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    25/12 = 25 × 35/12 × 35 = 875/420
  4. Subtract the two like fractions:
    240/420 - 875/420 = 240 - 875/420 = -635/420
  5. After reducing the fraction, the answer is -127/84

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