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Subtract 8/20 from 64/9

1st number: 7 1/9, 2nd number: 8/20

64/9 - 8/20 is 302/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    64/9 = 64 × 20/9 × 20 = 1280/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    8/20 = 8 × 9/20 × 9 = 72/180
  4. Subtract the two like fractions:
    1280/180 - 72/180 = 1280 - 72/180 = 1208/180
  5. After reducing the fraction, the answer is 302/45
  6. In mixed form: 632/45

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