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Subtract 60/21 from 15/4

1st number: 3 3/4, 2nd number: 2 18/21

15/4 - 60/21 is 25/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    15/4 = 15 × 21/4 × 21 = 315/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    60/21 = 60 × 4/21 × 4 = 240/84
  4. Subtract the two fractions:
    315/84 - 240/84 = 315 - 240/84 = 75/84
  5. After reducing the fraction, the answer is 25/28

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