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Add 72/10 and 15/9

1st number: 7 2/10, 2nd number: 1 6/9

72/10 + 15/9 is 133/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    72/10 = 72 × 9/10 × 9 = 648/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    15/9 = 15 × 10/9 × 10 = 150/90
  4. Add the two like fractions:
    648/90 + 150/90 = 648 + 150/90 = 798/90
  5. 798/90 simplified gives 133/15
  6. So, 72/10 + 15/9 = 133/15
    In mixed form: 813/15

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