What is 9/10 subtracted by 8/10

1/10 or 0.10

Explanation:

The fractions already have the same denominator so 9/10 - 8/10 = 1/10

You can also convert the fractions into whole numbers.

9/10 = 0.90

8/10 = 0.80

0.90 - 0.80 = 0.10

1/10

Explanation:

Since the two fractions already have like denominators (the same denominators, you just have to subtract the numerators.

9-8=1

And since you keep the same denominator (10), the answer is 1/10.