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Add 2/84 and 63/70

2/84 + 63/70 is 97/105.

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,
    2/84 = 2 × 5/84 × 5 = 10/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    63/70 = 63 × 6/70 × 6 = 378/420
  4. Add the two fractions:
    10/420 + 378/420 = 10 + 378/420 = 388/420
  5. 388/420 simplified gives 97/105
  6. So, 2/84 + 63/70 = 97/105

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