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Subtract 7/40 from 5/2

1st number: 2 1/2, 2nd number: 7/40

5/2 - 7/40 is 93/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 40 is 40
  2. For the 1st fraction, since 2 × 20 = 40,
    5/2 = 5 × 20/2 × 20 = 100/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    7/40 = 7 × 1/40 × 1 = 7/40
  4. Subtract the two fractions:
    100/40 - 7/40 = 100 - 7/40 = 93/40
  5. In mixed form: 213/40

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