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Add 21/5 and 20/30

1st number: 4 1/5, 2nd number: 20/30

21/5 + 20/30 is 73/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 5 × 6 = 30,
    21/5 = 21 × 6/5 × 6 = 126/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    20/30 = 20 × 1/30 × 1 = 20/30
  4. Add the two like fractions:
    126/30 + 20/30 = 126 + 20/30 = 146/30
  5. 146/30 simplified gives 73/15
  6. So, 21/5 + 20/30 = 73/15
    In mixed form: 413/15

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