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Add 72/15 and 16/18

1st number: 4 12/15, 2nd number: 16/18

72/15 + 16/18 is 256/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    72/15 = 72 × 6/15 × 6 = 432/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    16/18 = 16 × 5/18 × 5 = 80/90
  4. Add the two like fractions:
    432/90 + 80/90 = 432 + 80/90 = 512/90
  5. 512/90 simplified gives 256/45
  6. So, 72/15 + 16/18 = 256/45
    In mixed form: 531/45

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