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Add 7/98 and 21/63

7/98 + 21/63 is 17/42.

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,
    7/98 = 7 × 9/98 × 9 = 63/882
  3. Likewise, for the 2nd fraction, since 63 × 14 = 882,
    21/63 = 21 × 14/63 × 14 = 294/882
  4. Add the two like fractions:
    63/882 + 294/882 = 63 + 294/882 = 357/882
  5. 357/882 simplified gives 17/42
  6. So, 7/98 + 21/63 = 17/42

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