What is 4/10 minus 7/8?

Looking for the result of 4/10 - 7/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 4/10 by 7/8?

4 10 − 7 8 = (4 × 8) − (7 × 10) 10 × 8 = -38 80 = -19 40
  1. Multiply the numerator of the first term, with the denominator of the second term: 4 × 8 = 32
  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: 32 − 70 = -38
  4. Multiply both denominators together to form the new denominator: 10 × 8 = 80
  5. Combine the results to get the new fraction: -38/80
  6. Simplify the fraction (-38/80) by dividing both the numerator and the denominator by their GCD (2):
    • -38/2 = -19
    • 80/2 = 40
  7. This gives: -19/40.

The result of subtracting 4/10 and 7/8 is : -19/40 (or -0.475 in its decimal form)