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Add 12/10 and 75/21

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

12/10 + 75/21 is 167/35.

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,
    12/10 = 12 × 21/10 × 21 = 252/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    75/21 = 75 × 10/21 × 10 = 750/210
  4. Add the two like fractions:
    252/210 + 750/210 = 252 + 750/210 = 1002/210
  5. 1002/210 simplified gives 167/35
  6. So, 12/10 + 75/21 = 167/35
    In mixed form: 427/35

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