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Add 18/72 and 45/18

1st number: 18/72, 2nd number: 2 9/18

18/72 + 45/18 is 11/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    18/72 = 18 × 1/72 × 1 = 18/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    45/18 = 45 × 4/18 × 4 = 180/72
  4. Add the two like fractions:
    18/72 + 180/72 = 18 + 180/72 = 198/72
  5. 198/72 simplified gives 11/4
  6. So, 18/72 + 45/18 = 11/4
    In mixed form: 23/4

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