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Subtract 72/9 from 2/80

1st number: 2/80, 2nd number: 8 0/9

2/80 - 72/9 is -319/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 9 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    2/80 = 2 × 9/80 × 9 = 18/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    72/9 = 72 × 80/9 × 80 = 5760/720
  4. Subtract the two like fractions:
    18/720 - 5760/720 = 18 - 5760/720 = -5742/720
  5. After reducing the fraction, the answer is -319/40

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