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Add 35/20 and 21/27

1st number: 1 15/20, 2nd number: 21/27

35/20 + 21/27 is 91/36.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    35/20 = 35 × 27/20 × 27 = 945/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    21/27 = 21 × 20/27 × 20 = 420/540
  4. Add the two like fractions:
    945/540 + 420/540 = 945 + 420/540 = 1365/540
  5. 1365/540 simplified gives 91/36
  6. So, 35/20 + 21/27 = 91/36
    In mixed form: 219/36

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