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Subtract 7/80 from 28/84

28/84 - 7/80 is 59/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 80 is 1680
  2. For the 1st fraction, since 84 × 20 = 1680,
    28/84 = 28 × 20/84 × 20 = 560/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    7/80 = 7 × 21/80 × 21 = 147/1680
  4. Subtract the two fractions:
    560/1680 - 147/1680 = 560 - 147/1680 = 413/1680
  5. After reducing the fraction, the answer is 59/240

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