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Subtract 45/72 from 40/15

1st number: 2 10/15, 2nd number: 45/72

40/15 - 45/72 is 49/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 15 × 24 = 360,
    40/15 = 40 × 24/15 × 24 = 960/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    45/72 = 45 × 5/72 × 5 = 225/360
  4. Subtract the two like fractions:
    960/360 - 225/360 = 960 - 225/360 = 735/360
  5. After reducing the fraction, the answer is 49/24
  6. In mixed form: 21/24

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