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Subtract 21/64 from 30/10

1st number: 3 0/10, 2nd number: 21/64

30/10 - 21/64 is 171/64.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 10 × 32 = 320,
    30/10 = 30 × 32/10 × 32 = 960/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    21/64 = 21 × 5/64 × 5 = 105/320
  4. Subtract the two like fractions:
    960/320 - 105/320 = 960 - 105/320 = 855/320
  5. After reducing the fraction, the answer is 171/64
  6. In mixed form: 243/64

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