Subtract and simplify 10 - 5 1/8

10 = 80/8

5 1/8 = ((5x8) + 1) / 8 = 41/8

(80-41) / 8 = 39/8

39/8 = 4 7/8

= 4 7/8

10 - 5 1/8

Convert 5 1/8 into an improper fraction.

We do this by multiplying the denominator to the whole number and adding it to the numerator, and wee keep the denominator.

8 * 5 = 40 + 1 = 41/8

10 - 41/8

Convert 10 to a denominator of 8:

10 * 8 = 80

1 * 8 = 8

80/8 = 41/8

Subtract the numerators together and keep the denominator:

39/8

Convert to a mixed number:

4 7/8