What is 1/10 minus 3/9?

Looking for the result of 1/10 - 3/9? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/10 by 3/9?

1 10 − 3 9 = (1 × 9) − (3 × 10) 10 × 9 = -21 90 = -7 30
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 9 = 9
  2. Multiply the numerator of the second term, with the denominator of the first term: 3 × 10 = 30
  3. Subtract both of these results together to form the new numerator: 9 − 30 = -21
  4. Multiply both denominators together to form the new denominator: 10 × 9 = 90
  5. Combine the results to get the new fraction: -21/90
  6. Simplify the fraction (-21/90) by dividing both the numerator and the denominator by their GCD (3):
    • -21/3 = -7
    • 90/3 = 30
  7. This gives: -7/30.

The result of subtracting 1/10 and 3/9 is : -7/30 (or -0.23333333333333 in its decimal form)