What is 4/10 minus 2/9?

Looking for the result of 4/10 - 2/9? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 4/10 by 2/9?

4 10 − 2 9 = (4 × 9) − (2 × 10) 10 × 9 = 16 90 = 8 45
  1. Multiply the numerator of the first term, with the denominator of the second term: 4 × 9 = 36
  2. Multiply the numerator of the second term, with the denominator of the first term: 2 × 10 = 20
  3. Subtract both of these results together to form the new numerator: 36 − 20 = 16
  4. Multiply both denominators together to form the new denominator: 10 × 9 = 90
  5. Combine the results to get the new fraction: 16/90
  6. Simplify the fraction (16/90) by dividing both the numerator and the denominator by their GCD (2):
    • 16/2 = 8
    • 90/2 = 45
  7. This gives: 8/45.

The result of subtracting 4/10 and 2/9 is : 8/45 (or 0.17777777777778 in its decimal form)