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Add 20/15 and 12/54

1st number: 1 5/15, 2nd number: 12/54

20/15 + 12/54 is 14/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 15 × 18 = 270,
    20/15 = 20 × 18/15 × 18 = 360/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    12/54 = 12 × 5/54 × 5 = 60/270
  4. Add the two like fractions:
    360/270 + 60/270 = 360 + 60/270 = 420/270
  5. 420/270 simplified gives 14/9
  6. So, 20/15 + 12/54 = 14/9
    In mixed form: 15/9

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