chris102099
9

# what is 9/10 - 1/10 equal.

Since the denominators are the same, we can just combine the numerators together. $\frac{9-1}{10}$ Now, we just have to subtract the numerators to get our new fraction. $\frac{8}{10}$ But, our fraction is not in simplest form yet. We can find the GCF of 8 and 10 and then divide the numerator and denominator by it. The GCF = 2, so now we can divide. $8 \div 2 = 4 \\ 10 \div 2 = 5 \\ \\$ Gather the new numerator and denominator to get our simplified fraction. The final result is: 4/5 or 0.8