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Add 72/10 and 28/18

1st number: 7 2/10, 2nd number: 1 10/18

72/10 + 28/18 is 394/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 18 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 18 × 5 = 90,
    28/18 = 28 × 5/18 × 5 = 140/90
  4. Add the two like fractions:
    648/90 + 140/90 = 648 + 140/90 = 788/90
  5. 788/90 simplified gives 394/45
  6. So, 72/10 + 28/18 = 394/45
    In mixed form: 834/45

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