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Add 81/15 and 54/90

1st number: 5 6/15, 2nd number: 54/90

81/15 + 54/90 is 6/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    81/15 = 81 × 6/15 × 6 = 486/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    54/90 = 54 × 1/90 × 1 = 54/90
  4. Add the two fractions:
    486/90 + 54/90 = 486 + 54/90 = 540/90
  5. 540/90 simplified gives 6/1
  6. So, 81/15 + 54/90 = 6/1

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