What is 2/10 minus 7/8?

Looking for the result of 2/10 - 7/8? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 2/10 by 7/8?

2 10 − 7 8 = (2 × 8) − (7 × 10) 10 × 8 = -54 80 = -27 40
  1. Multiply the numerator of the first term, with the denominator of the second term: 2 × 8 = 16
  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: 16 − 70 = -54
  4. Multiply both denominators together to form the new denominator: 10 × 8 = 80
  5. Combine the results to get the new fraction: -54/80
  6. Simplify the fraction (-54/80) by dividing both the numerator and the denominator by their GCD (2):
    • -54/2 = -27
    • 80/2 = 40
  7. This gives: -27/40.

The result of subtracting 2/10 and 7/8 is : -27/40 (or -0.675 in its decimal form)