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Add 30/10 and 20/21

1st number: 3 0/10, 2nd number: 20/21

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

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    30/10 = 30 × 21/10 × 21 = 630/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    20/21 = 20 × 10/21 × 10 = 200/210
  4. Add the two fractions:
    630/210 + 200/210 = 630 + 200/210 = 830/210
  5. After reducing the fraction, the answer is 83/21
  6. In mixed form: 320/21

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