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Add 18/5 and 42/10

1st number: 3 3/5, 2nd number: 4 2/10

18/5 + 42/10 is 39/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 10 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 5 × 2 = 10,
    18/5 = 18 × 2/5 × 2 = 36/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    42/10 = 42 × 1/10 × 1 = 42/10
  4. Add the two like fractions:
    36/10 + 42/10 = 36 + 42/10 = 78/10
  5. 78/10 simplified gives 39/5
  6. So, 18/5 + 42/10 = 39/5
    In mixed form: 74/5

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