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Subtract 1/45 from 15/7

1st number: 2 1/7, 2nd number: 1/45

15/7 - 1/45 is 668/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 7 × 45 = 315,
    15/7 = 15 × 45/7 × 45 = 675/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    1/45 = 1 × 7/45 × 7 = 7/315
  4. Subtract the two like fractions:
    675/315 - 7/315 = 675 - 7/315 = 668/315
  5. In mixed form: 238/315

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