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Subtract 35/4 from 20/15

1st number: 1 5/15, 2nd number: 8 3/4

20/15 - 35/4 is -89/12.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    20/15 = 20 × 4/15 × 4 = 80/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    35/4 = 35 × 15/4 × 15 = 525/60
  4. Subtract the two like fractions:
    80/60 - 525/60 = 80 - 525/60 = -445/60
  5. After reducing the fraction, the answer is -89/12

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