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Add 81/15 and 20/36

1st number: 5 6/15, 2nd number: 20/36

81/15 + 20/36 is 268/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 15 × 12 = 180,
    81/15 = 81 × 12/15 × 12 = 972/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    20/36 = 20 × 5/36 × 5 = 100/180
  4. Add the two like fractions:
    972/180 + 100/180 = 972 + 100/180 = 1072/180
  5. 1072/180 simplified gives 268/45
  6. So, 81/15 + 20/36 = 268/45
    In mixed form: 543/45

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