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Subtract 5/20 from 90/25

1st number: 3 15/25, 2nd number: 5/20

90/25 - 5/20 is 67/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 20 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 25 × 4 = 100,
    90/25 = 90 × 4/25 × 4 = 360/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    5/20 = 5 × 5/20 × 5 = 25/100
  4. Subtract the two like fractions:
    360/100 - 25/100 = 360 - 25/100 = 335/100
  5. After reducing the fraction, the answer is 67/20
  6. In mixed form: 37/20

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