What is 3/8 minus 8/10?

Looking for the result of 3/8 - 8/10? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 3/8 by 8/10?

3 8 − 8 10 = (3 × 10) − (8 × 8) 8 × 10 = -34 80 = -17 40
  1. Multiply the numerator of the first term, with the denominator of the second term: 3 × 10 = 30
  2. Multiply the numerator of the second term, with the denominator of the first term: 8 × 8 = 64
  3. Subtract both of these results together to form the new numerator: 30 − 64 = -34
  4. Multiply both denominators together to form the new denominator: 8 × 10 = 80
  5. Combine the results to get the new fraction: -34/80
  6. Simplify the fraction (-34/80) by dividing both the numerator and the denominator by their GCD (2):
    • -34/2 = -17
    • 80/2 = 40
  7. This gives: -17/40.

The result of subtracting 3/8 and 8/10 is : -17/40 (or -0.425 in its decimal form)