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Subtract 63/70 from 30/10

1st number: 3 0/10, 2nd number: 63/70

30/10 - 63/70 is 21/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 70 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 10 × 7 = 70,
    30/10 = 30 × 7/10 × 7 = 210/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    63/70 = 63 × 1/70 × 1 = 63/70
  4. Subtract the two like fractions:
    210/70 - 63/70 = 210 - 63/70 = 147/70
  5. After reducing the fraction, the answer is 21/10
  6. In mixed form: 21/10

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