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Subtract 10/60 from 21/20

1st number: 1 1/20, 2nd number: 10/60

21/20 - 10/60 is 53/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 60 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    21/20 = 21 × 3/20 × 3 = 63/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    10/60 = 10 × 1/60 × 1 = 10/60
  4. Subtract the two like fractions:
    63/60 - 10/60 = 63 - 10/60 = 53/60

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