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Add 3/10 and 12/30

3/10 + 12/30 is 7/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 10 × 3 = 30,
    3/10 = 3 × 3/10 × 3 = 9/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    12/30 = 12 × 1/30 × 1 = 12/30
  4. Add the two like fractions:
    9/30 + 12/30 = 9 + 12/30 = 21/30
  5. 21/30 simplified gives 7/10
  6. So, 3/10 + 12/30 = 7/10

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