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Add 42/2 and 21/60

1st number: 21 0/2, 2nd number: 21/60

42/2 + 21/60 is 427/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 60 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 2 × 30 = 60,
    42/2 = 42 × 30/2 × 30 = 1260/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    21/60 = 21 × 1/60 × 1 = 21/60
  4. Add the two like fractions:
    1260/60 + 21/60 = 1260 + 21/60 = 1281/60
  5. 1281/60 simplified gives 427/20
  6. So, 42/2 + 21/60 = 427/20
    In mixed form: 217/20

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