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Add 20/30 and 54/8

1st number: 20/30, 2nd number: 6 6/8

20/30 + 54/8 is 89/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    20/30 = 20 × 4/30 × 4 = 80/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    54/8 = 54 × 15/8 × 15 = 810/120
  4. Add the two like fractions:
    80/120 + 810/120 = 80 + 810/120 = 890/120
  5. 890/120 simplified gives 89/12
  6. So, 20/30 + 54/8 = 89/12
    In mixed form: 75/12

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