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Add 42/5 and 2/20

1st number: 8 2/5, 2nd number: 2/20

42/5 + 2/20 is 17/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 5 × 4 = 20,
    42/5 = 42 × 4/5 × 4 = 168/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    2/20 = 2 × 1/20 × 1 = 2/20
  4. Add the two like fractions:
    168/20 + 2/20 = 168 + 2/20 = 170/20
  5. 170/20 simplified gives 17/2
  6. So, 42/5 + 2/20 = 17/2
    In mixed form: 81/2

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