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Subtract 15/90 from 80/49

1st number: 1 31/49, 2nd number: 15/90

80/49 - 15/90 is 431/294.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 90 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 49 × 90 = 4410,
    80/49 = 80 × 90/49 × 90 = 7200/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    15/90 = 15 × 49/90 × 49 = 735/4410
  4. Subtract the two like fractions:
    7200/4410 - 735/4410 = 7200 - 735/4410 = 6465/4410
  5. After reducing the fraction, the answer is 431/294
  6. In mixed form: 1137/294

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