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Subtract 42/63 from 16/15

1st number: 1 1/15, 2nd number: 42/63

16/15 - 42/63 is 2/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 15 × 21 = 315,
    16/15 = 16 × 21/15 × 21 = 336/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    42/63 = 42 × 5/63 × 5 = 210/315
  4. Subtract the two like fractions:
    336/315 - 210/315 = 336 - 210/315 = 126/315
  5. After reducing the fraction, the answer is 2/5

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