What is 1/5 minus 4/8?

Looking for the result of 1/5 - 4/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/5 by 4/8?

1 5 − 4 8 = (1 × 8) − (4 × 5) 5 × 8 = -12 40 = -3 10
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 8 = 8
  2. Multiply the numerator of the second term, with the denominator of the first term: 4 × 5 = 20
  3. Subtract both of these results together to form the new numerator: 8 − 20 = -12
  4. Multiply both denominators together to form the new denominator: 5 × 8 = 40
  5. Combine the results to get the new fraction: -12/40
  6. Simplify the fraction (-12/40) by dividing both the numerator and the denominator by their GCD (4):
    • -12/4 = -3
    • 40/4 = 10
  7. This gives: -3/10.

The result of subtracting 1/5 and 4/8 is : -3/10 (or -0.3 in its decimal form)