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Add 27/20 and 10/40

1st number: 1 7/20, 2nd number: 10/40

27/20 + 10/40 is 8/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    27/20 = 27 × 2/20 × 2 = 54/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    10/40 = 10 × 1/40 × 1 = 10/40
  4. Add the two like fractions:
    54/40 + 10/40 = 54 + 10/40 = 64/40
  5. 64/40 simplified gives 8/5
  6. So, 27/20 + 10/40 = 8/5
    In mixed form: 13/5

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