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Subtract 36/80 from 90/60

1st number: 1 30/60, 2nd number: 36/80

90/60 - 36/80 is 21/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 60 × 4 = 240,
    90/60 = 90 × 4/60 × 4 = 360/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    36/80 = 36 × 3/80 × 3 = 108/240
  4. Subtract the two like fractions:
    360/240 - 108/240 = 360 - 108/240 = 252/240
  5. After reducing the fraction, the answer is 21/20
  6. In mixed form: 11/20

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