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Subtract 49/18 from 2/10

1st number: 2/10, 2nd number: 2 13/18

2/10 - 49/18 is -227/90.

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,
    2/10 = 2 × 9/10 × 9 = 18/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    49/18 = 49 × 5/18 × 5 = 245/90
  4. Subtract the two like fractions:
    18/90 - 245/90 = 18 - 245/90 = -227/90

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