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Add 21/98 and 81/7

1st number: 21/98, 2nd number: 11 4/7

21/98 + 81/7 is 165/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 7 is 98

    Next, find the equivalent fraction of both fractional numbers with denominator 98
  2. For the 1st fraction, since 98 × 1 = 98,
    21/98 = 21 × 1/98 × 1 = 21/98
  3. Likewise, for the 2nd fraction, since 7 × 14 = 98,
    81/7 = 81 × 14/7 × 14 = 1134/98
  4. Add the two like fractions:
    21/98 + 1134/98 = 21 + 1134/98 = 1155/98
  5. 1155/98 simplified gives 165/14
  6. So, 21/98 + 81/7 = 165/14
    In mixed form: 1111/14

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