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Subtract 35/70 from 63/42

1st number: 1 21/42, 2nd number: 35/70

63/42 - 35/70 is 1/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    63/42 = 63 × 5/42 × 5 = 315/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    35/70 = 35 × 3/70 × 3 = 105/210
  4. Subtract the two like fractions:
    315/210 - 105/210 = 315 - 105/210 = 210/210
  5. After reducing the fraction, the answer is 1/1

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