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Subtract 1/7 from 45/3

1st number: 15 0/3, 2nd number: 1/7

45/3 - 1/7 is 104/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    45/3 = 45 × 7/3 × 7 = 315/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    1/7 = 1 × 3/7 × 3 = 3/21
  4. Subtract the two fractions:
    315/21 - 3/21 = 315 - 3/21 = 312/21
  5. After reducing the fraction, the answer is 104/7
  6. In mixed form: 146/7

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