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Subtract 20/35 from 15/4

1st number: 3 3/4, 2nd number: 20/35

15/4 - 20/35 is 89/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 35 is 140
  2. For the 1st fraction, since 4 × 35 = 140,
    15/4 = 15 × 35/4 × 35 = 525/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    20/35 = 20 × 4/35 × 4 = 80/140
  4. Subtract the two fractions:
    525/140 - 80/140 = 525 - 80/140 = 445/140
  5. After reducing the fraction, the answer is 89/28
  6. In mixed form: 35/28

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