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Subtract 80/54 from 21/25

1st number: 21/25, 2nd number: 1 26/54

21/25 - 80/54 is -433/675.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 54 is 1350

    Next, find the equivalent fraction of both fractional numbers with denominator 1350
  2. For the 1st fraction, since 25 × 54 = 1350,
    21/25 = 21 × 54/25 × 54 = 1134/1350
  3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
    80/54 = 80 × 25/54 × 25 = 2000/1350
  4. Subtract the two like fractions:
    1134/1350 - 2000/1350 = 1134 - 2000/1350 = -866/1350
  5. After reducing the fraction, the answer is -433/675

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