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Subtract 21/18 from 60/75

1st number: 60/75, 2nd number: 1 3/18

60/75 - 21/18 is -11/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 18 is 450
  2. For the 1st fraction, since 75 × 6 = 450,
    60/75 = 60 × 6/75 × 6 = 360/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    21/18 = 21 × 25/18 × 25 = 525/450
  4. Subtract the two fractions:
    360/450 - 525/450 = 360 - 525/450 = -165/450
  5. After reducing the fraction, the answer is -11/30

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