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Subtract 45/70 from 40/28

1st number: 1 12/28, 2nd number: 45/70

40/28 - 45/70 is 11/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    40/28 = 40 × 5/28 × 5 = 200/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    45/70 = 45 × 2/70 × 2 = 90/140
  4. Subtract the two like fractions:
    200/140 - 90/140 = 200 - 90/140 = 110/140
  5. After reducing the fraction, the answer is 11/14

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