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Subtract 49/18 from 7/10

1st number: 7/10, 2nd number: 2 13/18

7/10 - 49/18 is -91/45.

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,
    7/10 = 7 × 9/10 × 9 = 63/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    49/18 = 49 × 5/18 × 5 = 245/90
  4. Subtract the two like fractions:
    63/90 - 245/90 = 63 - 245/90 = -182/90
  5. After reducing the fraction, the answer is -91/45

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