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Add 75/21 and 35/10

1st number: 3 12/21, 2nd number: 3 5/10

75/21 + 35/10 is 99/14.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    75/21 = 75 × 10/21 × 10 = 750/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    35/10 = 35 × 21/10 × 21 = 735/210
  4. Add the two like fractions:
    750/210 + 735/210 = 750 + 735/210 = 1485/210
  5. 1485/210 simplified gives 99/14
  6. So, 75/21 + 35/10 = 99/14
    In mixed form: 71/14

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