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Add 42/20 and 18/5

1st number: 2 2/20, 2nd number: 3 3/5

42/20 + 18/5 is 57/10.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    42/20 = 42 × 1/20 × 1 = 42/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    18/5 = 18 × 4/5 × 4 = 72/20
  4. Add the two like fractions:
    42/20 + 72/20 = 42 + 72/20 = 114/20
  5. 114/20 simplified gives 57/10
  6. So, 42/20 + 18/5 = 57/10
    In mixed form: 57/10

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