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Subtract 90/64 from 1/30

1st number: 1/30, 2nd number: 1 26/64

1/30 - 90/64 is -659/480.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 64 is 960

    Next, find the equivalent fraction of both fractional numbers with denominator 960
  2. For the 1st fraction, since 30 × 32 = 960,
    1/30 = 1 × 32/30 × 32 = 32/960
  3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
    90/64 = 90 × 15/64 × 15 = 1350/960
  4. Subtract the two like fractions:
    32/960 - 1350/960 = 32 - 1350/960 = -1318/960
  5. After reducing the fraction, the answer is -659/480

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