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Add 18/72 and 15/9

1st number: 18/72, 2nd number: 1 6/9

18/72 + 15/9 is 23/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 9 is 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 9 × 8 = 72,
    15/9 = 15 × 8/9 × 8 = 120/72
  4. Add the two fractions:
    18/72 + 120/72 = 18 + 120/72 = 138/72
  5. 138/72 simplified gives 23/12
  6. So, 18/72 + 15/9 = 23/12
    In mixed form: 111/12

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