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Add 20/4 and 27/10

1st number: 5 0/4, 2nd number: 2 7/10

20/4 + 27/10 is 77/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    20/4 = 20 × 5/4 × 5 = 100/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    27/10 = 27 × 2/10 × 2 = 54/20
  4. Add the two like fractions:
    100/20 + 54/20 = 100 + 54/20 = 154/20
  5. 154/20 simplified gives 77/10
  6. So, 20/4 + 27/10 = 77/10
    In mixed form: 77/10

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