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Subtract 30/4 from 20/16

1st number: 1 4/16, 2nd number: 7 2/4

20/16 - 30/4 is -25/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 4 is 16

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 16 × 1 = 16,
    20/16 = 20 × 1/16 × 1 = 20/16
  3. Likewise, for the 2nd fraction, since 4 × 4 = 16,
    30/4 = 30 × 4/4 × 4 = 120/16
  4. Subtract the two like fractions:
    20/16 - 120/16 = 20 - 120/16 = -100/16
  5. After reducing the fraction, the answer is -25/4

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