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Subtract 15/80 from 90/49

1st number: 1 41/49, 2nd number: 15/80

90/49 - 15/80 is 1293/784.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 80 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 49 × 80 = 3920,
    90/49 = 90 × 80/49 × 80 = 7200/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    15/80 = 15 × 49/80 × 49 = 735/3920
  4. Subtract the two like fractions:
    7200/3920 - 735/3920 = 7200 - 735/3920 = 6465/3920
  5. After reducing the fraction, the answer is 1293/784
  6. In mixed form: 1509/784

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