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Subtract 70/20 from 42/3

1st number: 14 0/3, 2nd number: 3 10/20

42/3 - 70/20 is 21/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 3 × 20 = 60,
    42/3 = 42 × 20/3 × 20 = 840/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    70/20 = 70 × 3/20 × 3 = 210/60
  4. Subtract the two like fractions:
    840/60 - 210/60 = 840 - 210/60 = 630/60
  5. After reducing the fraction, the answer is 21/2
  6. In mixed form: 101/2

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