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Subtract 7/70 from 42/2

1st number: 21 0/2, 2nd number: 7/70

42/2 - 7/70 is 209/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 2 × 35 = 70,
    42/2 = 42 × 35/2 × 35 = 1470/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    7/70 = 7 × 1/70 × 1 = 7/70
  4. Subtract the two like fractions:
    1470/70 - 7/70 = 1470 - 7/70 = 1463/70
  5. After reducing the fraction, the answer is 209/10
  6. In mixed form: 209/10

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