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Subtract 56/98 from 15/70

15/70 - 56/98 is -5/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 98 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 70 × 7 = 490,
    15/70 = 15 × 7/70 × 7 = 105/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    56/98 = 56 × 5/98 × 5 = 280/490
  4. Subtract the two like fractions:
    105/490 - 280/490 = 105 - 280/490 = -175/490
  5. After reducing the fraction, the answer is -5/14

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