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Subtract 27/80 from 90/60

1st number: 1 30/60, 2nd number: 27/80

90/60 - 27/80 is 93/80.

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,
    27/80 = 27 × 3/80 × 3 = 81/240
  4. Subtract the two like fractions:
    360/240 - 81/240 = 360 - 81/240 = 279/240
  5. After reducing the fraction, the answer is 93/80
  6. In mixed form: 113/80

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