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Add 20/5 and 42/54

1st number: 4 0/5, 2nd number: 42/54

20/5 + 42/54 is 43/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 5 × 54 = 270,
    20/5 = 20 × 54/5 × 54 = 1080/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    42/54 = 42 × 5/54 × 5 = 210/270
  4. Add the two like fractions:
    1080/270 + 210/270 = 1080 + 210/270 = 1290/270
  5. 1290/270 simplified gives 43/9
  6. So, 20/5 + 42/54 = 43/9
    In mixed form: 47/9

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