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Subtract 4/7 from 40/15

1st number: 2 10/15, 2nd number: 4/7

40/15 - 4/7 is 44/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    40/15 = 40 × 7/15 × 7 = 280/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    4/7 = 4 × 15/7 × 15 = 60/105
  4. Subtract the two like fractions:
    280/105 - 60/105 = 280 - 60/105 = 220/105
  5. After reducing the fraction, the answer is 44/21
  6. In mixed form: 22/21

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