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Subtract 2/21 from 70/10

1st number: 7 0/10, 2nd number: 2/21

70/10 - 2/21 is 145/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    70/10 = 70 × 21/10 × 21 = 1470/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    2/21 = 2 × 10/21 × 10 = 20/210
  4. Subtract the two like fractions:
    1470/210 - 20/210 = 1470 - 20/210 = 1450/210
  5. After reducing the fraction, the answer is 145/21
  6. In mixed form: 619/21

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