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Add 20/98 and 8/70

20/98 + 8/70 is 78/245.

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,
    20/98 = 20 × 5/98 × 5 = 100/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    8/70 = 8 × 7/70 × 7 = 56/490
  4. Add the two fractions:
    100/490 + 56/490 = 100 + 56/490 = 156/490
  5. 156/490 simplified gives 78/245
  6. So, 20/98 + 8/70 = 78/245

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