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Subtract 3/42 from 50/40

1st number: 1 10/40, 2nd number: 3/42

50/40 - 3/42 is 33/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 42 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    50/40 = 50 × 21/40 × 21 = 1050/840
  3. Likewise, for the 2nd fraction, since 42 × 20 = 840,
    3/42 = 3 × 20/42 × 20 = 60/840
  4. Subtract the two like fractions:
    1050/840 - 60/840 = 1050 - 60/840 = 990/840
  5. After reducing the fraction, the answer is 33/28
  6. In mixed form: 15/28

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