What is 1/5 minus 10/8?

Looking for the result of 1/5 - 10/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/5 by 10/8?

1 5 − 10 8 = (1 × 8) − (10 × 5) 5 × 8 = -42 40 = -21 20
  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: 10 × 5 = 50
  3. Subtract both of these results together to form the new numerator: 8 − 50 = -42
  4. Multiply both denominators together to form the new denominator: 5 × 8 = 40
  5. Combine the results to get the new fraction: -42/40
  6. Simplify the fraction (-42/40) by dividing both the numerator and the denominator by their GCD (2):
    • -42/2 = -21
    • 40/2 = 20
  7. This gives: -21/20.

The result of subtracting 1/5 and 10/8 is : -21/20 (or -1.05 in its decimal form)