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Add 20/3 and 21/28

1st number: 6 2/3, 2nd number: 21/28

20/3 + 21/28 is 89/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 28 is 84
  2. For the 1st fraction, since 3 × 28 = 84,
    20/3 = 20 × 28/3 × 28 = 560/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    21/28 = 21 × 3/28 × 3 = 63/84
  4. Add the two fractions:
    560/84 + 63/84 = 560 + 63/84 = 623/84
  5. After reducing the fraction, the answer is 89/12
  6. In mixed form: 75/12

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