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Subtract 84/24 from 7/90

1st number: 7/90, 2nd number: 3 12/24

7/90 - 84/24 is -154/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 24 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    7/90 = 7 × 4/90 × 4 = 28/360
  3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
    84/24 = 84 × 15/24 × 15 = 1260/360
  4. Subtract the two like fractions:
    28/360 - 1260/360 = 28 - 1260/360 = -1232/360
  5. After reducing the fraction, the answer is -154/45

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