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Subtract 40/84 from 60/21

1st number: 2 18/21, 2nd number: 40/84

60/21 - 40/84 is 50/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    60/21 = 60 × 4/21 × 4 = 240/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    40/84 = 40 × 1/84 × 1 = 40/84
  4. Subtract the two like fractions:
    240/84 - 40/84 = 240 - 40/84 = 200/84
  5. After reducing the fraction, the answer is 50/21
  6. In mixed form: 28/21

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