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Subtract 6/40 from 90/49

1st number: 1 41/49, 2nd number: 6/40

90/49 - 6/40 is 1653/980.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 40 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 49 × 40 = 1960,
    90/49 = 90 × 40/49 × 40 = 3600/1960
  3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
    6/40 = 6 × 49/40 × 49 = 294/1960
  4. Subtract the two like fractions:
    3600/1960 - 294/1960 = 3600 - 294/1960 = 3306/1960
  5. After reducing the fraction, the answer is 1653/980
  6. In mixed form: 1673/980

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