What is 7/10 minus 9/10?

Looking for the result of 7/10 - 9/10? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 7/10 by 9/10?

7 10 − 9 10 = (7 × 10) − (9 × 10) 10 × 10 = -20 100 = -1 5
  1. Multiply the numerator of the first term, with the denominator of the second term: 7 × 10 = 70
  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: 70 − 90 = -20
  4. Multiply both denominators together to form the new denominator: 10 × 10 = 100
  5. Combine the results to get the new fraction: -20/100
  6. Simplify the fraction (-20/100) by dividing both the numerator and the denominator by their GCD (20):
    • -20/20 = -1
    • 100/20 = 5
  7. This gives: -1/5.

The result of subtracting 7/10 and 9/10 is : -1/5 (or -0.2 in its decimal form)