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Add 4/30 and 12/70

4/30 + 12/70 is 32/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    4/30 = 4 × 7/30 × 7 = 28/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    12/70 = 12 × 3/70 × 3 = 36/210
  4. Add the two like fractions:
    28/210 + 36/210 = 28 + 36/210 = 64/210
  5. 64/210 simplified gives 32/105
  6. So, 4/30 + 12/70 = 32/105

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