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Add 3/9 and 25/70

3/9 + 25/70 is 29/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 630
  2. For the 1st fraction, since 9 × 70 = 630,
    3/9 = 3 × 70/9 × 70 = 210/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    25/70 = 25 × 9/70 × 9 = 225/630
  4. Add the two fractions:
    210/630 + 225/630 = 210 + 225/630 = 435/630
  5. 435/630 simplified gives 29/42
  6. So, 3/9 + 25/70 = 29/42

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