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Add 10/90 and 21/98

10/90 + 21/98 is 41/126.

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,
    10/90 = 10 × 49/90 × 49 = 490/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    21/98 = 21 × 45/98 × 45 = 945/4410
  4. Add the two like fractions:
    490/4410 + 945/4410 = 490 + 945/4410 = 1435/4410
  5. 1435/4410 simplified gives 41/126
  6. So, 10/90 + 21/98 = 41/126

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