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Add 20/27 and 45/60

20/27 + 45/60 is 161/108.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    20/27 = 20 × 20/27 × 20 = 400/540
  3. Likewise, for the 2nd fraction, since 60 × 9 = 540,
    45/60 = 45 × 9/60 × 9 = 405/540
  4. Add the two like fractions:
    400/540 + 405/540 = 400 + 405/540 = 805/540
  5. 805/540 simplified gives 161/108
  6. So, 20/27 + 45/60 = 161/108
    In mixed form: 153/108

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