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Subtract 21/5 from 50/4

1st number: 12 2/4, 2nd number: 4 1/5

50/4 - 21/5 is 83/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    50/4 = 50 × 5/4 × 5 = 250/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    21/5 = 21 × 4/5 × 4 = 84/20
  4. Subtract the two like fractions:
    250/20 - 84/20 = 250 - 84/20 = 166/20
  5. After reducing the fraction, the answer is 83/10
  6. In mixed form: 83/10

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