What is 1/8 minus 3/10?

Looking for the result of 1/8 - 3/10? Follow this step-by-step guide to understand how to subtract these two fractions.

How to subtract 1/8 by 3/10?

1 8 − 3 10 = (1 × 10) − (3 × 8) 8 × 10 = -14 80 = -7 40
  1. Multiply the numerator of the first term, with the denominator of the second term: 1 × 10 = 10
  2. Multiply the numerator of the second term, with the denominator of the first term: 3 × 8 = 24
  3. Subtract both of these results together to form the new numerator: 10 − 24 = -14
  4. Multiply both denominators together to form the new denominator: 8 × 10 = 80
  5. Combine the results to get the new fraction: -14/80
  6. Simplify the fraction (-14/80) by dividing both the numerator and the denominator by their GCD (2):
    • -14/2 = -7
    • 80/2 = 40
  7. This gives: -7/40.

The result of subtracting 1/8 and 3/10 is : -7/40 (or -0.175 in its decimal form)