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Add 4/10 and 27/20

1st number: 4/10, 2nd number: 1 7/20

4/10 + 27/20 is 7/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    4/10 = 4 × 2/10 × 2 = 8/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    27/20 = 27 × 1/20 × 1 = 27/20
  4. Add the two like fractions:
    8/20 + 27/20 = 8 + 27/20 = 35/20
  5. 35/20 simplified gives 7/4
  6. So, 4/10 + 27/20 = 7/4
    In mixed form: 13/4

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