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Subtract 50/60 from 90/28

1st number: 3 6/28, 2nd number: 50/60

90/28 - 50/60 is 50/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    90/28 = 90 × 15/28 × 15 = 1350/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    50/60 = 50 × 7/60 × 7 = 350/420
  4. Subtract the two like fractions:
    1350/420 - 350/420 = 1350 - 350/420 = 1000/420
  5. After reducing the fraction, the answer is 50/21
  6. In mixed form: 28/21

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