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Subtract 49/18 from 4/8

1st number: 4/8, 2nd number: 2 13/18

4/8 - 49/18 is -20/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    4/8 = 4 × 9/8 × 9 = 36/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    49/18 = 49 × 4/18 × 4 = 196/72
  4. Subtract the two like fractions:
    36/72 - 196/72 = 36 - 196/72 = -160/72
  5. After reducing the fraction, the answer is -20/9

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