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Add 28/27 and 5/20

1st number: 1 1/27, 2nd number: 5/20

28/27 + 5/20 is 139/108.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    28/27 = 28 × 20/27 × 20 = 560/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    5/20 = 5 × 27/20 × 27 = 135/540
  4. Add the two like fractions:
    560/540 + 135/540 = 560 + 135/540 = 695/540
  5. 695/540 simplified gives 139/108
  6. So, 28/27 + 5/20 = 139/108
    In mixed form: 131/108

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