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Subtract 49/63 from 90/40

1st number: 2 10/40, 2nd number: 49/63

90/40 - 49/63 is 53/36.

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,
    90/40 = 90 × 63/40 × 63 = 5670/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    49/63 = 49 × 40/63 × 40 = 1960/2520
  4. Subtract the two fractions:
    5670/2520 - 1960/2520 = 5670 - 1960/2520 = 3710/2520
  5. After reducing the fraction, the answer is 53/36
  6. In mixed form: 117/36

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