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Add 21/98 and 9/63

21/98 + 9/63 is 5/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 63 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 98 × 9 = 882,
    21/98 = 21 × 9/98 × 9 = 189/882
  3. Likewise, for the 2nd fraction, since 63 × 14 = 882,
    9/63 = 9 × 14/63 × 14 = 126/882
  4. Add the two like fractions:
    189/882 + 126/882 = 189 + 126/882 = 315/882
  5. 315/882 simplified gives 5/14
  6. So, 21/98 + 9/63 = 5/14

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