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Add 2/35 and 12/90

2/35 + 12/90 is 4/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    2/35 = 2 × 18/35 × 18 = 36/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    12/90 = 12 × 7/90 × 7 = 84/630
  4. Add the two fractions:
    36/630 + 84/630 = 36 + 84/630 = 120/630
  5. After reducing the fraction, the answer is 4/21

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