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Add 18/36 and 84/45

1st number: 18/36, 2nd number: 1 39/45

18/36 + 84/45 is 71/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    18/36 = 18 × 5/36 × 5 = 90/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    84/45 = 84 × 4/45 × 4 = 336/180
  4. Add the two like fractions:
    90/180 + 336/180 = 90 + 336/180 = 426/180
  5. 426/180 simplified gives 71/30
  6. So, 18/36 + 84/45 = 71/30
    In mixed form: 211/30

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