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Subtract 15/28 from 5/4

1st number: 1 1/4, 2nd number: 15/28

5/4 - 15/28 is 5/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 28 is 28
  2. For the 1st fraction, since 4 × 7 = 28,
    5/4 = 5 × 7/4 × 7 = 35/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    15/28 = 15 × 1/28 × 1 = 15/28
  4. Subtract the two fractions:
    35/28 - 15/28 = 35 - 15/28 = 20/28
  5. After reducing the fraction, the answer is 5/7

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