What is 3/7 plus 3/9?

Looking for the result of 3/7 + 3/9? Follow this step-by-step guide to understand how to add these two fractions together.

How to add 3/7 and 3/9?

3 7 + 3 9 = (3 × 9) + (3 × 7) 7 × 9 = 48 63 = 16 21
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 9 = 27
  2. Multiply the numerator of the second term, with the denominator of the first term: 3 × 7 = 21
  3. Add both of these results together to form the new numerator: 27 + 21 = 48
  4. Multiply both denominators together to form the new denominator: 7 × 9 = 63
  5. Combine the results to get the new fraction: 48/63
  6. Simplify the fraction (48/63) by dividing both the numerator and the denominator by their GCD (3):
    • 48/3 = 16
    • 63/3 = 21
  7. This gives: 16/21.

The result of adding 3/7 and 3/9 is : 16/21 (or 0.76190476190476 in its decimal form)