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Add 20/54 and 84/72

1st number: 20/54, 2nd number: 1 12/72

20/54 + 84/72 is 83/54.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 72 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 54 × 4 = 216,
    20/54 = 20 × 4/54 × 4 = 80/216
  3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
    84/72 = 84 × 3/72 × 3 = 252/216
  4. Add the two like fractions:
    80/216 + 252/216 = 80 + 252/216 = 332/216
  5. 332/216 simplified gives 83/54
  6. So, 20/54 + 84/72 = 83/54
    In mixed form: 129/54

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