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Add 20/4 and 21/5

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

20/4 + 21/5 is 46/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 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 5 × 4 = 20,
    21/5 = 21 × 4/5 × 4 = 84/20
  4. Add the two like fractions:
    100/20 + 84/20 = 100 + 84/20 = 184/20
  5. 184/20 simplified gives 46/5
  6. So, 20/4 + 21/5 = 46/5
    In mixed form: 91/5

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