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Subtract 7/5 from 7/4

1st number: 1 3/4, 2nd number: 1 2/5

7/4 - 7/5 is 7/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20
  2. For the 1st fraction, since 4 × 5 = 20,
    7/4 = 7 × 5/4 × 5 = 35/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    7/5 = 7 × 4/5 × 4 = 28/20
  4. Subtract the two fractions:
    35/20 - 28/20 = 35 - 28/20 = 7/20

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