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Add 24/30 and 18/72

24/30 + 18/72 is 21/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 30 × 12 = 360,
    24/30 = 24 × 12/30 × 12 = 288/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    18/72 = 18 × 5/72 × 5 = 90/360
  4. Add the two like fractions:
    288/360 + 90/360 = 288 + 90/360 = 378/360
  5. 378/360 simplified gives 21/20
  6. So, 24/30 + 18/72 = 21/20
    In mixed form: 11/20

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