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Subtract 35/7 from 70/20

1st number: 3 10/20, 2nd number: 5 0/7

70/20 - 35/7 is -3/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    70/20 = 70 × 7/20 × 7 = 490/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    35/7 = 35 × 20/7 × 20 = 700/140
  4. Subtract the two like fractions:
    490/140 - 700/140 = 490 - 700/140 = -210/140
  5. After reducing the fraction, the answer is -3/2

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