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Subtract 3/63 from 40/20

1st number: 2 0/20, 2nd number: 3/63

40/20 - 3/63 is 41/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    40/20 = 40 × 63/20 × 63 = 2520/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    3/63 = 3 × 20/63 × 20 = 60/1260
  4. Subtract the two like fractions:
    2520/1260 - 60/1260 = 2520 - 60/1260 = 2460/1260
  5. After reducing the fraction, the answer is 41/21
  6. In mixed form: 120/21

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