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Subtract 70/28 from 20/98

1st number: 20/98, 2nd number: 2 14/28

20/98 - 70/28 is -225/98.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 28 is 196

    Next, find the equivalent fraction of both fractional numbers with denominator 196
  2. For the 1st fraction, since 98 × 2 = 196,
    20/98 = 20 × 2/98 × 2 = 40/196
  3. Likewise, for the 2nd fraction, since 28 × 7 = 196,
    70/28 = 70 × 7/28 × 7 = 490/196
  4. Subtract the two like fractions:
    40/196 - 490/196 = 40 - 490/196 = -450/196
  5. After reducing the fraction, the answer is -225/98

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