Answer:
23/40
Explanation:
Find the LCM which is 40 so multiply 5 to 7 and 5 to 8 equals 35/40, then multiply 3 to 4 and 10 to 4 equals 13/40. Now that your fractions have the same denominator you subtract the numerator 35-12=23 (don’t subtract denominator) so your fraction in simplest for would be 23/40 because you can simplify more than that