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Subtract 7/45 from 18/5

1st number: 3 3/5, 2nd number: 7/45

18/5 - 7/45 is 31/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 5 × 9 = 45,
    18/5 = 18 × 9/5 × 9 = 162/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    7/45 = 7 × 1/45 × 1 = 7/45
  4. Subtract the two like fractions:
    162/45 - 7/45 = 162 - 7/45 = 155/45
  5. After reducing the fraction, the answer is 31/9
  6. In mixed form: 34/9

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