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Subtract 7/9 from 45/30

1st number: 1 15/30, 2nd number: 7/9

45/30 - 7/9 is 13/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    45/30 = 45 × 3/30 × 3 = 135/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    7/9 = 7 × 10/9 × 10 = 70/90
  4. Subtract the two like fractions:
    135/90 - 70/90 = 135 - 70/90 = 65/90
  5. After reducing the fraction, the answer is 13/18

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