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Add 28/98 and 21/70

28/98 + 21/70 is 41/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 70 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    28/98 = 28 × 5/98 × 5 = 140/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    21/70 = 21 × 7/70 × 7 = 147/490
  4. Add the two like fractions:
    140/490 + 147/490 = 140 + 147/490 = 287/490
  5. 287/490 simplified gives 41/70
  6. So, 28/98 + 21/70 = 41/70

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