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Add 70/98 and 3/20

70/98 + 3/20 is 121/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 20 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 98 × 10 = 980,
    70/98 = 70 × 10/98 × 10 = 700/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    3/20 = 3 × 49/20 × 49 = 147/980
  4. Add the two like fractions:
    700/980 + 147/980 = 700 + 147/980 = 847/980
  5. 847/980 simplified gives 121/140
  6. So, 70/98 + 3/20 = 121/140

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