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Subtract 1/72 from 90/54

1st number: 1 36/54, 2nd number: 1/72

90/54 - 1/72 is 119/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 72 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 54 × 4 = 216,
    90/54 = 90 × 4/54 × 4 = 360/216
  3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
    1/72 = 1 × 3/72 × 3 = 3/216
  4. Subtract the two like fractions:
    360/216 - 3/216 = 360 - 3/216 = 357/216
  5. After reducing the fraction, the answer is 119/72
  6. In mixed form: 147/72

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