What is 9/10 minus 7/7?

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

How to subtract 9/10 by 7/7?

9 10 − 7 7 = (9 × 7) − (7 × 10) 10 × 7 = -7 70 = -1 10
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 7 = 63
  2. Multiply the numerator of the second term, with the denominator of the first term: 7 × 10 = 70
  3. Subtract both of these results together to form the new numerator: 63 − 70 = -7
  4. Multiply both denominators together to form the new denominator: 10 × 7 = 70
  5. Combine the results to get the new fraction: -7/70
  6. Simplify the fraction (-7/70) by dividing both the numerator and the denominator by their GCD (7):
    • -7/7 = -1
    • 70/7 = 10
  7. This gives: -1/10.

The result of subtracting 9/10 and 7/7 is : -1/10 (or -0.1 in its decimal form)