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Add 12/21 and 6/30

12/21 + 6/30 is 27/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    12/21 = 12 × 10/21 × 10 = 120/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    6/30 = 6 × 7/30 × 7 = 42/210
  4. Add the two like fractions:
    120/210 + 42/210 = 120 + 42/210 = 162/210
  5. 162/210 simplified gives 27/35
  6. So, 12/21 + 6/30 = 27/35

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