What is 9/10 minus 3/8?

Looking for the result of 9/10 - 3/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 9/10 by 3/8?

9 10 − 3 8 = (9 × 8) − (3 × 10) 10 × 8 = 42 80 = 21 40
  1. Multiply the numerator of the first term, with the denominator of the second term: 9 × 8 = 72
  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: 72 − 30 = 42
  4. Multiply both denominators together to form the new denominator: 10 × 8 = 80
  5. Combine the results to get the new fraction: 42/80
  6. Simplify the fraction (42/80) by dividing both the numerator and the denominator by their GCD (2):
    • 42/2 = 21
    • 80/2 = 40
  7. This gives: 21/40.

The result of subtracting 9/10 and 3/8 is : 21/40 (or 0.525 in its decimal form)