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Add 7/84 and 30/35

7/84 + 30/35 is 79/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 35 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    7/84 = 7 × 5/84 × 5 = 35/420
  3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
    30/35 = 30 × 12/35 × 12 = 360/420
  4. Add the two like fractions:
    35/420 + 360/420 = 35 + 360/420 = 395/420
  5. 395/420 simplified gives 79/84
  6. So, 7/84 + 30/35 = 79/84

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