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Add 30/20 and 10/21

1st number: 1 10/20, 2nd number: 10/21

30/20 + 10/21 is 83/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 21 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    30/20 = 30 × 21/20 × 21 = 630/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    10/21 = 10 × 20/21 × 20 = 200/420
  4. Add the two fractions:
    630/420 + 200/420 = 630 + 200/420 = 830/420
  5. After reducing the fraction, the answer is 83/42
  6. In mixed form: 141/42

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