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Subtract 98/7 from 49/90

1st number: 49/90, 2nd number: 14 0/7

49/90 - 98/7 is -1211/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 7 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    49/90 = 49 × 7/90 × 7 = 343/630
  3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
    98/7 = 98 × 90/7 × 90 = 8820/630
  4. Subtract the two like fractions:
    343/630 - 8820/630 = 343 - 8820/630 = -8477/630
  5. After reducing the fraction, the answer is -1211/90

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