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Subtract 70/40 from 24/84

1st number: 24/84, 2nd number: 1 30/40

24/84 - 70/40 is -41/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 84 × 10 = 840,
    24/84 = 24 × 10/84 × 10 = 240/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    70/40 = 70 × 21/40 × 21 = 1470/840
  4. Subtract the two like fractions:
    240/840 - 1470/840 = 240 - 1470/840 = -1230/840
  5. After reducing the fraction, the answer is -41/28

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