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Add 1/84 and 2/5

1/84 + 2/5 is 173/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 5 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    1/84 = 1 × 5/84 × 5 = 5/420
  3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
    2/5 = 2 × 84/5 × 84 = 168/420
  4. Add the two fractions:
    5/420 + 168/420 = 5 + 168/420 = 173/420

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