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Add 42/84 and 90/98

42/84 + 90/98 is 139/98.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 98 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 84 × 7 = 588,
    42/84 = 42 × 7/84 × 7 = 294/588
  3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
    90/98 = 90 × 6/98 × 6 = 540/588
  4. Add the two like fractions:
    294/588 + 540/588 = 294 + 540/588 = 834/588
  5. 834/588 simplified gives 139/98
  6. So, 42/84 + 90/98 = 139/98
    In mixed form: 141/98

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