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Add 81/10 and 35/21

1st number: 8 1/10, 2nd number: 1 14/21

81/10 + 35/21 is 293/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    81/10 = 81 × 21/10 × 21 = 1701/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    35/21 = 35 × 10/21 × 10 = 350/210
  4. Add the two like fractions:
    1701/210 + 350/210 = 1701 + 350/210 = 2051/210
  5. 2051/210 simplified gives 293/30
  6. So, 81/10 + 35/21 = 293/30
    In mixed form: 923/30

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