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Subtract 21/15 from 50/4

1st number: 12 2/4, 2nd number: 1 6/15

50/4 - 21/15 is 111/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    50/4 = 50 × 15/4 × 15 = 750/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    21/15 = 21 × 4/15 × 4 = 84/60
  4. Subtract the two like fractions:
    750/60 - 84/60 = 750 - 84/60 = 666/60
  5. After reducing the fraction, the answer is 111/10
  6. In mixed form: 111/10

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