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Add 1/84 and 9/70

1/84 + 9/70 is 59/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 70 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 70 × 6 = 420,
    9/70 = 9 × 6/70 × 6 = 54/420
  4. Add the two fractions:
    5/420 + 54/420 = 5 + 54/420 = 59/420
  5. So, 1/84 + 9/70 = 59/420

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