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Subtract 5/18 from 20/10

1st number: 2 0/10, 2nd number: 5/18

20/10 - 5/18 is 31/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    20/10 = 20 × 9/10 × 9 = 180/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    5/18 = 5 × 5/18 × 5 = 25/90
  4. Subtract the two like fractions:
    180/90 - 25/90 = 180 - 25/90 = 155/90
  5. After reducing the fraction, the answer is 31/18
  6. In mixed form: 113/18

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