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Subtract 8/45 from 7/4

1st number: 1 3/4, 2nd number: 8/45

7/4 - 8/45 is 283/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    7/4 = 7 × 45/4 × 45 = 315/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    8/45 = 8 × 4/45 × 4 = 32/180
  4. Subtract the two fractions:
    315/180 - 32/180 = 315 - 32/180 = 283/180
  5. In mixed form: 1103/180

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