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Subtract 90/36 from 6/45

1st number: 6/45, 2nd number: 2 18/36

6/45 - 90/36 is -71/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    6/45 = 6 × 4/45 × 4 = 24/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    90/36 = 90 × 5/36 × 5 = 450/180
  4. Subtract the two like fractions:
    24/180 - 450/180 = 24 - 450/180 = -426/180
  5. After reducing the fraction, the answer is -71/30

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