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Subtract 30/12 from 50/70

1st number: 50/70, 2nd number: 2 6/12

50/70 - 30/12 is -25/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 12 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    50/70 = 50 × 6/70 × 6 = 300/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    30/12 = 30 × 35/12 × 35 = 1050/420
  4. Subtract the two like fractions:
    300/420 - 1050/420 = 300 - 1050/420 = -750/420
  5. After reducing the fraction, the answer is -25/14

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