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Add 42/2 and 1/20

1st number: 21 0/2, 2nd number: 1/20

42/2 + 1/20 is 421/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 20 is 20
  2. For the 1st fraction, since 2 × 10 = 20,
    42/2 = 42 × 10/2 × 10 = 420/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    1/20 = 1 × 1/20 × 1 = 1/20
  4. Add the two fractions:
    420/20 + 1/20 = 420 + 1/20 = 421/20
  5. In mixed form: 211/20

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