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Subtract 9/64 from 30/20

1st number: 1 10/20, 2nd number: 9/64

30/20 - 9/64 is 87/64.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 20 × 16 = 320,
    30/20 = 30 × 16/20 × 16 = 480/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    9/64 = 9 × 5/64 × 5 = 45/320
  4. Subtract the two like fractions:
    480/320 - 45/320 = 480 - 45/320 = 435/320
  5. After reducing the fraction, the answer is 87/64
  6. In mixed form: 123/64

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