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Add 70/90 and 18/98

70/90 + 18/98 is 424/441.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 98 is 4410
  2. For the 1st fraction, since 90 × 49 = 4410,
    70/90 = 70 × 49/90 × 49 = 3430/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    18/98 = 18 × 45/98 × 45 = 810/4410
  4. Add the two fractions:
    3430/4410 + 810/4410 = 3430 + 810/4410 = 4240/4410
  5. After reducing the fraction, the answer is 424/441

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