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Add 27/20 and 3/4

1st number: 1 7/20, 2nd number: 3/4

27/20 + 3/4 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    27/20 = 27 × 1/20 × 1 = 27/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    3/4 = 3 × 5/4 × 5 = 15/20
  4. Add the two like fractions:
    27/20 + 15/20 = 27 + 15/20 = 42/20
  5. 42/20 simplified gives 21/10
  6. So, 27/20 + 3/4 = 21/10
    In mixed form: 21/10

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