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Subtract 50/72 from 16/90

16/90 - 50/72 is -31/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 72 is 360
  2. For the 1st fraction, since 90 × 4 = 360,
    16/90 = 16 × 4/90 × 4 = 64/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    50/72 = 50 × 5/72 × 5 = 250/360
  4. Subtract the two fractions:
    64/360 - 250/360 = 64 - 250/360 = -186/360
  5. After reducing the fraction, the answer is -31/60

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