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Subtract 84/70 from 24/45

1st number: 24/45, 2nd number: 1 14/70

24/45 - 84/70 is -2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630
  2. For the 1st fraction, since 45 × 14 = 630,
    24/45 = 24 × 14/45 × 14 = 336/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    84/70 = 84 × 9/70 × 9 = 756/630
  4. Subtract the two fractions:
    336/630 - 756/630 = 336 - 756/630 = -420/630
  5. After reducing the fraction, the answer is -2/3

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