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Subtract 30/15 from 2/80

1st number: 2/80, 2nd number: 2 0/15

2/80 - 30/15 is -79/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 15 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    2/80 = 2 × 3/80 × 3 = 6/240
  3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
    30/15 = 30 × 16/15 × 16 = 480/240
  4. Subtract the two like fractions:
    6/240 - 480/240 = 6 - 480/240 = -474/240
  5. After reducing the fraction, the answer is -79/40

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