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Add 7/21 and 30/28

1st number: 7/21, 2nd number: 1 2/28

7/21 + 30/28 is 59/42.

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,
    7/21 = 7 × 4/21 × 4 = 28/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    30/28 = 30 × 3/28 × 3 = 90/84
  4. Add the two like fractions:
    28/84 + 90/84 = 28 + 90/84 = 118/84
  5. 118/84 simplified gives 59/42
  6. So, 7/21 + 30/28 = 59/42
    In mixed form: 117/42

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