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Add 20/60 and 21/27

20/60 + 21/27 is 10/9.

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,
    20/60 = 20 × 9/60 × 9 = 180/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    21/27 = 21 × 20/27 × 20 = 420/540
  4. Add the two like fractions:
    180/540 + 420/540 = 180 + 420/540 = 600/540
  5. 600/540 simplified gives 10/9
  6. So, 20/60 + 21/27 = 10/9
    In mixed form: 11/9

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