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Add 9/84 and 40/21

1st number: 9/84, 2nd number: 1 19/21

9/84 + 40/21 is 169/84.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    9/84 = 9 × 1/84 × 1 = 9/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    40/21 = 40 × 4/21 × 4 = 160/84
  4. Add the two like fractions:
    9/84 + 160/84 = 9 + 160/84 = 169/84
  5. So, 9/84 + 40/21 = 169/84
    In mixed form: 21/84

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