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Add 54/10 and 42/4

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

54/10 + 42/4 is 159/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    54/10 = 54 × 2/10 × 2 = 108/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    42/4 = 42 × 5/4 × 5 = 210/20
  4. Add the two like fractions:
    108/20 + 210/20 = 108 + 210/20 = 318/20
  5. 318/20 simplified gives 159/10
  6. So, 54/10 + 42/4 = 159/10
    In mixed form: 159/10

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