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Subtract 2/10 from 5/4

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

5/4 - 2/10 is 21/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    5/4 = 5 × 5/4 × 5 = 25/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    2/10 = 2 × 2/10 × 2 = 4/20
  4. Subtract the two like fractions:
    25/20 - 4/20 = 25 - 4/20 = 21/20
  5. In mixed form: 11/20

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