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Subtract 20/7 from 90/14

1st number: 6 6/14, 2nd number: 2 6/7

90/14 - 20/7 is 25/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 7 is 14

    Next, find the equivalent fraction of both fractional numbers with denominator 14
  2. For the 1st fraction, since 14 × 1 = 14,
    90/14 = 90 × 1/14 × 1 = 90/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    20/7 = 20 × 2/7 × 2 = 40/14
  4. Subtract the two like fractions:
    90/14 - 40/14 = 90 - 40/14 = 50/14
  5. After reducing the fraction, the answer is 25/7
  6. In mixed form: 34/7

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