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Subtract 84/10 from 7/5

1st number: 1 2/5, 2nd number: 8 4/10

7/5 - 84/10 is -7/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 10 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 5 × 2 = 10,
    7/5 = 7 × 2/5 × 2 = 14/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    84/10 = 84 × 1/10 × 1 = 84/10
  4. Subtract the two like fractions:
    14/10 - 84/10 = 14 - 84/10 = -70/10
  5. After reducing the fraction, the answer is -7/1

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