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Subtract 18/7 from 9/64

1st number: 9/64, 2nd number: 2 4/7

9/64 - 18/7 is -1089/448.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 7 is 448

    Next, find the equivalent fraction of both fractional numbers with denominator 448
  2. For the 1st fraction, since 64 × 7 = 448,
    9/64 = 9 × 7/64 × 7 = 63/448
  3. Likewise, for the 2nd fraction, since 7 × 64 = 448,
    18/7 = 18 × 64/7 × 64 = 1152/448
  4. Subtract the two like fractions:
    63/448 - 1152/448 = 63 - 1152/448 = -1089/448

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