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Subtract 7/45 from 15/7

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

15/7 - 7/45 is 626/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 45 is 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,
    7/45 = 7 × 7/45 × 7 = 49/315
  4. Subtract the two fractions:
    675/315 - 49/315 = 675 - 49/315 = 626/315
  5. In mixed form: 1311/315

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