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Subtract 9/64 from 20/15

1st number: 1 5/15, 2nd number: 9/64

20/15 - 9/64 is 229/192.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 64 is 960

    Next, find the equivalent fraction of both fractional numbers with denominator 960
  2. For the 1st fraction, since 15 × 64 = 960,
    20/15 = 20 × 64/15 × 64 = 1280/960
  3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
    9/64 = 9 × 15/64 × 15 = 135/960
  4. Subtract the two like fractions:
    1280/960 - 135/960 = 1280 - 135/960 = 1145/960
  5. After reducing the fraction, the answer is 229/192
  6. In mixed form: 137/192

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