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Subtract 18/72 from 90/16

1st number: 5 10/16, 2nd number: 18/72

90/16 - 18/72 is 43/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 72 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    90/16 = 90 × 9/16 × 9 = 810/144
  3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
    18/72 = 18 × 2/72 × 2 = 36/144
  4. Subtract the two like fractions:
    810/144 - 36/144 = 810 - 36/144 = 774/144
  5. After reducing the fraction, the answer is 43/8
  6. In mixed form: 53/8

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