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Subtract 15/90 from 50/45

1st number: 1 5/45, 2nd number: 15/90

50/45 - 15/90 is 17/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    50/45 = 50 × 2/45 × 2 = 100/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    15/90 = 15 × 1/90 × 1 = 15/90
  4. Subtract the two like fractions:
    100/90 - 15/90 = 100 - 15/90 = 85/90
  5. After reducing the fraction, the answer is 17/18

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