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Add 84/98 and 7/10

84/98 + 7/10 is 109/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 10 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    84/98 = 84 × 5/98 × 5 = 420/490
  3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
    7/10 = 7 × 49/10 × 49 = 343/490
  4. Add the two like fractions:
    420/490 + 343/490 = 420 + 343/490 = 763/490
  5. 763/490 simplified gives 109/70
  6. So, 84/98 + 7/10 = 109/70
    In mixed form: 139/70

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