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Subtract 7/30 from 10/9

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

10/9 - 7/30 is 79/90.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 9 × 10 = 90,
    10/9 = 10 × 10/9 × 10 = 100/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    7/30 = 7 × 3/30 × 3 = 21/90
  4. Subtract the two like fractions:
    100/90 - 21/90 = 100 - 21/90 = 79/90

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