Question

Whst is the answer to 1 3/4 - 7/10 = ?

Answer 1

Turn 1 3/4 into a decimal which equal 1.75. Because 10/10 = 1.00
Same thing with 7/10 = 0.70

Take 1.75 - 0.70 = 1.05

Answer 2

Change them into improper fraction with a common  denominator is easier
So you should get 70/40-28/40
The answer is 42/40 or simplified is 1  1/20