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Add 7/20 and 9/84

7/20 + 9/84 is 16/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    7/20 = 7 × 21/20 × 21 = 147/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    9/84 = 9 × 5/84 × 5 = 45/420
  4. Add the two like fractions:
    147/420 + 45/420 = 147 + 45/420 = 192/420
  5. 192/420 simplified gives 16/35
  6. So, 7/20 + 9/84 = 16/35

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