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Add 30/5 and 20/21

1st number: 6 0/5, 2nd number: 20/21

30/5 + 20/21 is 146/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105
  2. For the 1st fraction, since 5 × 21 = 105,
    30/5 = 30 × 21/5 × 21 = 630/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    20/21 = 20 × 5/21 × 5 = 100/105
  4. Add the two fractions:
    630/105 + 100/105 = 630 + 100/105 = 730/105
  5. After reducing the fraction, the answer is 146/21
  6. In mixed form: 620/21

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