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Add 15/98 and 9/70

15/98 + 9/70 is 69/245.

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,
    15/98 = 15 × 5/98 × 5 = 75/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    9/70 = 9 × 7/70 × 7 = 63/490
  4. Add the two fractions:
    75/490 + 63/490 = 75 + 63/490 = 138/490
  5. 138/490 simplified gives 69/245
  6. So, 15/98 + 9/70 = 69/245

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