What is 3/9 plus 4/7?

Looking for the result of 3/9 + 4/7? Follow this step-by-step guide to understand how to add these two fractions together.

How to add 3/9 and 4/7?

3 9 + 4 7 = (3 × 7) + (4 × 9) 9 × 7 = 57 63 = 19 21
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 7 = 21
  2. Multiply the numerator of the second term, with the denominator of the first term: 4 × 9 = 36
  3. Add both of these results together to form the new numerator: 21 + 36 = 57
  4. Multiply both denominators together to form the new denominator: 9 × 7 = 63
  5. Combine the results to get the new fraction: 57/63
  6. Simplify the fraction (57/63) by dividing both the numerator and the denominator by their GCD (3):
    • 57/3 = 19
    • 63/3 = 21
  7. This gives: 19/21.

The result of adding 3/9 and 4/7 is : 19/21 (or 0.9047619047619 in its decimal form)