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Add 30/21 and 3/28

1st number: 1 9/21, 2nd number: 3/28

30/21 + 3/28 is 43/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 28 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    30/21 = 30 × 4/21 × 4 = 120/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    3/28 = 3 × 3/28 × 3 = 9/84
  4. Add the two like fractions:
    120/84 + 9/84 = 120 + 9/84 = 129/84
  5. 129/84 simplified gives 43/28
  6. So, 30/21 + 3/28 = 43/28
    In mixed form: 115/28

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