Question

What is 9 1/10 - 4 3/4

Answer 1

Answer:

$\frac{87}{20}$

Step-by-step explanation:

First we need to change the mixed numbers into improper fractions.

9 x 10 = 90 + 1 = 91/10

4 x 4 = 16 + 3 = 19/4

Now we need to get them into simplest terms. There is a few ways to do this, but I know that 10 x 2 = 20 and 4 x 5 = 20 so I will use 20.

$\frac{91}{10} = \frac{91 x 2}{10 x 2} = \frac{182}{20}$

$\frac{19}{4} = \frac{19 x 5}{4 x 5} = \frac{95}{20}$

Now we can subtract:

$\frac{182}{20} - \frac{95}{20} = \frac{87}{20}$

And that leaves us with our answer :D