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Add 21/98 and 81/5

1st number: 21/98, 2nd number: 16 1/5

21/98 + 81/5 is 1149/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 5 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    21/98 = 21 × 5/98 × 5 = 105/490
  3. Likewise, for the 2nd fraction, since 5 × 98 = 490,
    81/5 = 81 × 98/5 × 98 = 7938/490
  4. Add the two like fractions:
    105/490 + 7938/490 = 105 + 7938/490 = 8043/490
  5. 8043/490 simplified gives 1149/70
  6. So, 21/98 + 81/5 = 1149/70
    In mixed form: 1629/70

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