Question

1 three fourths minus seven tenths = ? What is the answer

Answer 1

It's 8.25. Do you need an explanation too?

Answer 2

$1 \frac{3}{4} - \frac{7}{10}$

$1.75 - 0.7 =1.05$

1.05, or 21/20

More detailed:

$1 \frac{3}{4} = 1.75 7/10 = 0.7 1.75 - 0.7 = 1.05$