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Add 6/84 and 45/70

6/84 + 45/70 is 5/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    6/84 = 6 × 5/84 × 5 = 30/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    45/70 = 45 × 6/70 × 6 = 270/420
  4. Add the two like fractions:
    30/420 + 270/420 = 30 + 270/420 = 300/420
  5. 300/420 simplified gives 5/7
  6. So, 6/84 + 45/70 = 5/7

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