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Add 3/98 and 9/70

3/98 + 9/70 is 39/245.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 70 is 490
  2. For the 1st fraction, since 98 × 5 = 490,
    3/98 = 3 × 5/98 × 5 = 15/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    9/70 = 9 × 7/70 × 7 = 63/490
  4. Add the two fractions:
    15/490 + 63/490 = 15 + 63/490 = 78/490
  5. 78/490 simplified gives 39/245
  6. So, 3/98 + 9/70 = 39/245

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