What is 1/10 minus 2/8?

Looking for the result of 1/10 - 2/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/10 by 2/8?

1 10 − 2 8 = (1 × 8) − (2 × 10) 10 × 8 = -12 80 = -3 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: 2 × 10 = 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: 10 × 8 = 80
  5. Combine the results to get the new fraction: -12/80
  6. Simplify the fraction (-12/80) by dividing both the numerator and the denominator by their GCD (4):
    • -12/4 = -3
    • 80/4 = 20
  7. This gives: -3/20.

The result of subtracting 1/10 and 2/8 is : -3/20 (or -0.15 in its decimal form)