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Subtract 10/45 from 2/7

2/7 - 10/45 is 4/63.

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,
    2/7 = 2 × 45/7 × 45 = 90/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    10/45 = 10 × 7/45 × 7 = 70/315
  4. Subtract the two like fractions:
    90/315 - 70/315 = 90 - 70/315 = 20/315
  5. After reducing the fraction, the answer is 4/63

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