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Subtract 3/70 from 40/30

1st number: 1 10/30, 2nd number: 3/70

40/30 - 3/70 is 271/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    40/30 = 40 × 7/30 × 7 = 280/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    3/70 = 3 × 3/70 × 3 = 9/210
  4. Subtract the two like fractions:
    280/210 - 9/210 = 280 - 9/210 = 271/210
  5. In mixed form: 161/210

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