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Add 12/60 and 21/27

12/60 + 21/27 is 44/45.

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,
    12/60 = 12 × 9/60 × 9 = 108/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    21/27 = 21 × 20/27 × 20 = 420/540
  4. Add the two like fractions:
    108/540 + 420/540 = 108 + 420/540 = 528/540
  5. 528/540 simplified gives 44/45
  6. So, 12/60 + 21/27 = 44/45

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