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Add 28/42 and 28/98

28/42 + 28/98 is 20/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 98 is 294
  2. For the 1st fraction, since 42 × 7 = 294,
    28/42 = 28 × 7/42 × 7 = 196/294
  3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
    28/98 = 28 × 3/98 × 3 = 84/294
  4. Add the two fractions:
    196/294 + 84/294 = 196 + 84/294 = 280/294
  5. 280/294 simplified gives 20/21
  6. So, 28/42 + 28/98 = 20/21

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