What is 9/10 minus 4/8?

Looking for the result of 9/10 - 4/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 9/10 by 4/8?

9 10 − 4 8 = (9 × 8) − (4 × 10) 10 × 8 = 32 80 = 2 5
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 8 = 72
  2. Multiply the numerator of the second term, with the denominator of the first term: 4 × 10 = 40
  3. Subtract both of these results together to form the new numerator: 72 − 40 = 32
  4. Multiply both denominators together to form the new denominator: 10 × 8 = 80
  5. Combine the results to get the new fraction: 32/80
  6. Simplify the fraction (32/80) by dividing both the numerator and the denominator by their GCD (16):
    • 32/16 = 2
    • 80/16 = 5
  7. This gives: 2/5.

The result of subtracting 9/10 and 4/8 is : 2/5 (or 0.4 in its decimal form)