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Subtract 56/10 from 15/90

1st number: 15/90, 2nd number: 5 6/10

15/90 - 56/10 is -163/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    15/90 = 15 × 1/90 × 1 = 15/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    56/10 = 56 × 9/10 × 9 = 504/90
  4. Subtract the two like fractions:
    15/90 - 504/90 = 15 - 504/90 = -489/90
  5. After reducing the fraction, the answer is -163/30

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