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Subtract 35/20 from 84/45

1st number: 1 39/45, 2nd number: 1 15/20

84/45 - 35/20 is 7/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    84/45 = 84 × 4/45 × 4 = 336/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    35/20 = 35 × 9/20 × 9 = 315/180
  4. Subtract the two like fractions:
    336/180 - 315/180 = 336 - 315/180 = 21/180
  5. After reducing the fraction, the answer is 7/60

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