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Subtract 35/63 from 28/40

28/40 - 35/63 is 13/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    28/40 = 28 × 63/40 × 63 = 1764/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    35/63 = 35 × 40/63 × 40 = 1400/2520
  4. Subtract the two fractions:
    1764/2520 - 1400/2520 = 1764 - 1400/2520 = 364/2520
  5. After reducing the fraction, the answer is 13/90

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