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Subtract 7/40 from 5/4

1st number: 1 1/4, 2nd number: 7/40

5/4 - 7/40 is 43/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 4 × 10 = 40,
    5/4 = 5 × 10/4 × 10 = 50/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    7/40 = 7 × 1/40 × 1 = 7/40
  4. Subtract the two like fractions:
    50/40 - 7/40 = 50 - 7/40 = 43/40
  5. In mixed form: 13/40

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