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Subtract 63/84 from 18/8

1st number: 2 2/8, 2nd number: 63/84

18/8 - 63/84 is 3/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 84 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    18/8 = 18 × 21/8 × 21 = 378/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    63/84 = 63 × 2/84 × 2 = 126/168
  4. Subtract the two like fractions:
    378/168 - 126/168 = 378 - 126/168 = 252/168
  5. After reducing the fraction, the answer is 3/2
  6. In mixed form: 11/2

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