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Add 56/28 and 3/21

1st number: 2 0/28, 2nd number: 3/21

56/28 + 3/21 is 15/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    56/28 = 56 × 3/28 × 3 = 168/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    3/21 = 3 × 4/21 × 4 = 12/84
  4. Add the two fractions:
    168/84 + 12/84 = 168 + 12/84 = 180/84
  5. After reducing the fraction, the answer is 15/7
  6. In mixed form: 21/7

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