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Add 30/90 and 21/98

30/90 + 21/98 is 23/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 98 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 90 × 49 = 4410,
    30/90 = 30 × 49/90 × 49 = 1470/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    21/98 = 21 × 45/98 × 45 = 945/4410
  4. Add the two like fractions:
    1470/4410 + 945/4410 = 1470 + 945/4410 = 2415/4410
  5. 2415/4410 simplified gives 23/42
  6. So, 30/90 + 21/98 = 23/42

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