What is 2/10 minus 9/8?

Looking for the result of 2/10 - 9/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 2/10 by 9/8?

2 10 − 9 8 = (2 × 8) − (9 × 10) 10 × 8 = -74 80 = -37 40
  1. Multiply the numerator of the first term, with the denominator of the second term: 2 × 8 = 16
  2. Multiply the numerator of the second term, with the denominator of the first term: 9 × 10 = 90
  3. Subtract both of these results together to form the new numerator: 16 − 90 = -74
  4. Multiply both denominators together to form the new denominator: 10 × 8 = 80
  5. Combine the results to get the new fraction: -74/80
  6. Simplify the fraction (-74/80) by dividing both the numerator and the denominator by their GCD (2):
    • -74/2 = -37
    • 80/2 = 40
  7. This gives: -37/40.

The result of subtracting 2/10 and 9/8 is : -37/40 (or -0.925 in its decimal form)