What is 1/10 minus 1/8?

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

How to subtract 1/10 by 1/8?

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

The result of subtracting 1/10 and 1/8 is : -1/40 (or -0.025 in its decimal form)