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Subtract 30/4 from 7/18

1st number: 7/18, 2nd number: 7 2/4

7/18 - 30/4 is -64/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 18 × 2 = 36,
    7/18 = 7 × 2/18 × 2 = 14/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    30/4 = 30 × 9/4 × 9 = 270/36
  4. Subtract the two like fractions:
    14/36 - 270/36 = 14 - 270/36 = -256/36
  5. After reducing the fraction, the answer is -64/9

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