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Subtract 40/35 from 30/15

1st number: 2 0/15, 2nd number: 1 5/35

30/15 - 40/35 is 6/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 35 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    30/15 = 30 × 7/15 × 7 = 210/105
  3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
    40/35 = 40 × 3/35 × 3 = 120/105
  4. Subtract the two like fractions:
    210/105 - 120/105 = 210 - 120/105 = 90/105
  5. After reducing the fraction, the answer is 6/7

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