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Subtract 1/60 from 21/18

1st number: 1 3/18, 2nd number: 1/60

21/18 - 1/60 is 23/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 60 is 180
  2. For the 1st fraction, since 18 × 10 = 180,
    21/18 = 21 × 10/18 × 10 = 210/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    1/60 = 1 × 3/60 × 3 = 3/180
  4. Subtract the two fractions:
    210/180 - 3/180 = 210 - 3/180 = 207/180
  5. After reducing the fraction, the answer is 23/20
  6. In mixed form: 13/20

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