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Add 12/35 and 4/30

12/35 + 4/30 is 10/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 30 is 210
  2. For the 1st fraction, since 35 × 6 = 210,
    12/35 = 12 × 6/35 × 6 = 72/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    4/30 = 4 × 7/30 × 7 = 28/210
  4. Add the two fractions:
    72/210 + 28/210 = 72 + 28/210 = 100/210
  5. After reducing the fraction, the answer is 10/21

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