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Add 20/8 and 42/54

1st number: 2 4/8, 2nd number: 42/54

20/8 + 42/54 is 59/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 54 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 8 × 27 = 216,
    20/8 = 20 × 27/8 × 27 = 540/216
  3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
    42/54 = 42 × 4/54 × 4 = 168/216
  4. Add the two like fractions:
    540/216 + 168/216 = 540 + 168/216 = 708/216
  5. 708/216 simplified gives 59/18
  6. So, 20/8 + 42/54 = 59/18
    In mixed form: 35/18

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