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Add 81/60 and 18/27

1st number: 1 21/60, 2nd number: 18/27

81/60 + 18/27 is 121/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 27 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 60 × 9 = 540,
    81/60 = 81 × 9/60 × 9 = 729/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    18/27 = 18 × 20/27 × 20 = 360/540
  4. Add the two like fractions:
    729/540 + 360/540 = 729 + 360/540 = 1089/540
  5. 1089/540 simplified gives 121/60
  6. So, 81/60 + 18/27 = 121/60
    In mixed form: 21/60

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