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Add 70/98 and 15/20

70/98 + 15/20 is 41/28.

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,
    15/20 = 15 × 49/20 × 49 = 735/980
  4. Add the two like fractions:
    700/980 + 735/980 = 700 + 735/980 = 1435/980
  5. 1435/980 simplified gives 41/28
  6. So, 70/98 + 15/20 = 41/28
    In mixed form: 113/28

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