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Subtract 18/64 from 40/28

1st number: 1 12/28, 2nd number: 18/64

40/28 - 18/64 is 257/224.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 64 is 448

    Next, find the equivalent fraction of both fractional numbers with denominator 448
  2. For the 1st fraction, since 28 × 16 = 448,
    40/28 = 40 × 16/28 × 16 = 640/448
  3. Likewise, for the 2nd fraction, since 64 × 7 = 448,
    18/64 = 18 × 7/64 × 7 = 126/448
  4. Subtract the two like fractions:
    640/448 - 126/448 = 640 - 126/448 = 514/448
  5. After reducing the fraction, the answer is 257/224
  6. In mixed form: 133/224

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